Research finds boys who use social media are just as vulnerable as girls to negative body image - and passive scrolling is the worse kind. How internalisation shifts what you think normal…
Nearly 45% of men report ill-fitting condoms, and poor fit roughly doubles the odds of breakage and slippage. Sizing labels are manufacturing decisions, not verdicts - with real public…
Global circumcision prevalence is 37-39%, with national rates from about 1% to 100%. The real numbers, straightforward hygiene, the emergency sign everyone should know, and no position on…
The men most distressed about size measure within the normal range. What penile dysmorphic disorder is, how it differs from ordinary worry, why facts stop working - and why it responds well…
A genital exam is a sub-minute checklist for lumps, skin changes and development stage. Size isn't on it. What actually happens, what's confidential, and why the appointment you skip is the…
In tracked cohorts of boys with delayed puberty, 93% were short at first assessment and only 17% at final - with adult heights matching genetic target, and no treatment. The evidence on…
95% of men fall within a band just 2.6 inches wide, and the middle half within 0.88 inches. What the Veale nomograms actually show about how tightly clustered real measurements are.
Flaccid size changes hour to hour with temperature, stress and hormones - and clinical data shows it barely predicts erect size at all. The grower vs. shower research explained.
Cornell researchers proved people overestimate how much others notice them by roughly double. What the Barry Manilow T-shirt experiment says about every changing room you've hurried through.
About 1 in 5 men report a noticeable curve and most experience no problem from it. What's normal, what the 30-degree threshold means, and the three warning signs worth knowing.
A nonjudgmental readiness checklist for teens and young adults covering consent, protection, privacy, pressure, communication, and emotional consequences.
It is common for one testicle to sit lower or be slightly larger than the other. Learn your normal. Sudden severe one-sided pain, swelling, nausea, or a...
A wet dream is an involuntary ejaculation during sleep. It is a normal possibility during puberty and adulthood, but not everybody has them. Frequency...
Occasional difficulty getting or keeping an erection is common. Stress, tiredness, alcohol, distraction, a new partner, condoms, pressure, medication, and...
Many sexually transmitted infections cause no symptoms, mild symptoms, or symptoms that disappear. Testing choices depend on the kind of sex, body sites...
Morning erections are usually part of normal sleep-related erection cycles, especially around REM sleep. They are not a daily masculinity score, a...
Lubricant can improve comfort and pleasure and reduce condom breakage or slippage. It is useful in solo and partnered sex, including when everybody is...
Erection firmness can fluctuate during a wanted, enjoyable sexual experience. Attention, stimulation, position, condoms, anxiety, orgasm, and the...
An erection can be spontaneous, reflexive, confusing, inconvenient, or present during an unwanted experience. It does not prove desire, attraction,...
For a harmless random erection, discreetly tense your calf or thigh muscles for 20 to 30 seconds, relax, and repeat while redirecting attention and giving...
Condoms stretch, but fit still matters. A condom that is painfully tight, difficult to unroll, loose enough to slip, or constantly wrinkling may need a...
Stop, withdraw carefully, and assess pregnancy and STI exposure. Emergency contraception can work after condom failure, with some options available up to...
Why a penis can look smaller from above, including perspective, pubic tissue, camera distance, erection quality, and comparison-photo distortion.
A calm guide to testicle familiarity, normal structures, lumps, swelling, torsion warning signs, and the limits of routine self-exams.
A guide to repeated penis measuring, reassurance loops, body dysmorphic concerns, and a practical reset from compulsive comparison.
Practical responses to penis-size jokes and male body shaming, with guidance for defending yourself, a friend, or an absent target.
A young man’s guide to confidence without dominance, sexual boasting, cruelty, emotional shutdown, or pretending to know everything.
A practical, reassuring guide to spontaneous erections, including the calf-flex technique, discreet coping strategies, puberty, and priapism warning signs.
A practical triage guide for penis and testicle pain, including emergency warning signs, common causes, injuries, erections, and when to seek care.
A practical guide to penis health anxiety, compulsive symptom searching, reassurance checking, red flags, and deciding when to see a clinician.
A no-shame guide to normal penis odor, sweat, smegma, hygiene, balanitis, STIs, irritation, and when a new smell needs medical evaluation.
A practical penis hygiene guide covering washing, foreskin care, sweat, smegma, drying, irritation, and when symptoms need medical attention.
An evidence-informed guide to foreskin anatomy, cleaning, normal retractability, phimosis, paraphimosis, irritation, and when to seek medical care.
A welcoming, evidence-based guide to penis size diversity that avoids shaming small, average, or large bodies and focuses on practical communication.
Sudden severe testicle pain can be testicular torsion, a surgical emergency. Learn the symptoms and why embarrassment should never delay care.
Boys can start puberty across a wide normal age range, and changes do not appear at the same speed. Learn what usually happens and when to ask a doctor.
Porn is produced entertainment, not a complete model of bodies, consent, communication, pleasure, or safer sex. Learn how to watch media critically without shame.
Penis size anxiety often hides deeper fears about rejection, masculinity, experience, and belonging. Here is how to identify the real question.
A detailed, sex-positive guide to first-time sex mechanics: consent, anatomy, condoms, lube, penetration, pain, orgasms, cleanup, and what to do if something goes wrong.
A penis percentile is a position in a statistical distribution, not a grade for masculinity, attractiveness, sexual ability, or human worth.
A practical guide to talking with a doctor about penis or testicle concerns, including scripts, confidentiality questions, exams, photos, and urgent symptoms.
How to become a trustworthy, respectful partner or friend by handling boundaries, rejection, privacy, consent, jealousy, and mistakes well.
A sex-positive guide to consent, responsible deletion, group chats, sexting, sextortion, and what to do when an intimate image is shared without permission.
A clinic can legally treat you and still create an insurance notice visible to the person who owns the policy. The safest move is to ask about billing before
You should not have to understand insurance law, minor-consent rules, laboratory billing, and privacy software before asking for condoms or a test. These ques
Often, but not everywhere and not through every payment method. State consent law, clinic policy, insurance billing, pharmacy records, and the type of birth c
Yes. Plan B One-Step and levonorgestrel generics are sold over the counter without a federal age restriction. The harder questions are how fast you need it, w
No yelling, disappearing, or useless blame. Check the clock, pregnancy possibility, HIV exposure, and STI plan. Several options work only when you move quickl
A plain envelope can still appear in a delivery dashboard, confirmation email, shared browser, pharmacy app, or family insurance portal. Real privacy means fo
You do not need a prescription, an insurance card, or an awkward pharmacy conversation to get condoms. The real challenge is finding a program that serves you
PrEP can prevent HIV and is medically approved for eligible adolescents, but a minor may run into state consent rules, adult-only telehealth policies, laborat
You can often get tested without paying or using a parent’s insurance. Every state allows minors to consent to STI services, but the exact rules for age, HIV
Free mail programs are not helpful when someone opens your packages, monitors delivery, or could make you unsafe. Pickup, clinics, trusted adults, school serv
Yes, often. But free, confidential, and available without a parent are three different questions. This guide helps you check all three before you hand over yo
Friends exaggerate sex and penis size for status. Learn how pluralistic ignorance works and how to step out of the competition without becoming preachy.
A non-puritanical, safety-focused guide to first-time sexual communication, consent, condoms, contraception, testing, boundaries, and stopping.
SSRIs, finasteride, beta-blockers, antihistamines — many common medications can affect erections, size, and sensation. What to watch for and what to ask your doctor.
Alcohol is a vasodilator at low doses and a CNS depressant at high doses. There's a pharmacological tipping point. Here's exactly what's happening.
Testicular cancer peaks at age 15-35. A monthly self-exam takes 2 minutes. The survival rate when caught early is 99%. Here's exactly how to do it.
The calf-flex method works in under 30 seconds. A board-certified urologist confirms the science. Why isn't this taught in sex ed?
Morning erections are one of the best non-invasive indicators of cardiovascular, hormonal, and neurological health. Here's what yours is telling you.
The prolactin surge, dopamine crash, and prefrontal cortex reactivation after orgasm are real neuroscience. Here's what's actually happening in your brain.
The CIA planned to airdrop extra-large condoms labeled 'Medium' over the Soviet Union. Napoleon's penis was auctioned for $3,000. LBJ called his 'Jumbo.' The wildest true stories of penis…
Only one clinical study has ever formally defined growers vs. showers. Yafi 2018 measured 274 men: 26% were growers, 74% were showers. Here's what the data really shows.
In Ancient Greece, a small penis meant intelligence and self-control. Large penises were for barbarians and fools. The 'bigger is better' narrative is barely 100 years old.
We ranked every penis enlargement method — pills, pumps, surgery, extenders, jelqing — by real medical evidence. Most don't work. Here's what the science actually says.
Does circumcision make your penis bigger or smaller? Multiple meta-analyses covering 18,000+ men show no significant difference in size or sexual function. Here's the science.
Penis growth can continue until age 18-21. If your friends seem bigger at 14 or 16, you may just be on a different timeline. Here's the actual science of puberty timing.
Urologists see hundreds of penises a year and the #1 unnecessary worry is size. 55% of men are dissatisfied while 85% of partners are satisfied. Here's what doctors actually think.
1 in 4 new ED patients is under 40. Learn why erectile dysfunction happens to young men, when it's psychological vs physical, and what actually works.
70% of men are dissatisfied with underwear fit. Men's underwear sizing ignores genital size entirely — here's why it fails and what actually works.
Your flaccid penis changes size dozens of times per day. Cold, stress, exercise, and the cremaster reflex all physically alter your dimensions. Here's the biology behind shrinkage.
Losing weight doesn't grow your penis, but it reveals hidden length buried under the fat pad. Every 30-50 lbs lost can uncover about 1 inch. Here's the science.
Your phone camera distorts your body by up to 30%. Wide-angle lenses, perspective distortion, and the inverse square law explain why you look different in photos than in real life.
About half your penis is inside your body. The internal shaft, crura, and root extend deep into the pelvis. Here's the anatomy nobody teaches you.
Length-to-girth ratio determines how a penis looks, how condoms fit, and what partners actually feel. The average ratio is about 1.12:1 — here's why it matters more than length alone.
Erection angle varies wildly — from pointing at the ceiling to pointing at the floor — and it affects sexual positioning more than length does. The science nobody discusses.
Some men grow 0.5 inches from flaccid to erect. Others grow 3.5+. The science behind the shower vs grower phenomenon is wilder than you'd expect.
The biggest penis size study ever (52,000+ people) revealed a massive confidence gap. Women are happy. Men don't believe them. Here's the data.
Penile augmentation surgery: 14.6% complication rate, gains under 1 inch, and most patients had normal-sized penises. The data is grim.
The average smartphone is 5.8-6.3 inches long. The average erect penis is 5.1-5.5 inches. Here's why your brain is terrible at estimating familiar lengths.
Pointing up, straight out, or down — erection angles vary wildly and none of them indicate a health problem. Here's the data from Kinsey and modern urology.
Bone-pressed vs non-bone-pressed, ruler vs tape, angle differences — tiny methodology changes swing your percentile ranking dramatically.
Standard condoms fit a narrow girth window. Real penises don't. Here's why so many men think condoms 'don't fit' — because for many, they literally don't.
Temperature, stress, exercise, time of day — your penis is a different size multiple times per day. Here's the science behind every factor.
Which animal has the biggest penis to body size ratio? Barnacles (40x body length), Argentine lake ducks (corkscrew), elephants (prehensile), mastodons, and more.
Shoe size and penis size correlation debunked with real study data. Hand size, height, nose length — none predict penis size. Here's what the r-values actually show.
The cremaster muscle is a precision thermoregulation system. Shrinkage isn't a flaw — it's one of the most impressive involuntary mechanisms in the human body.
Rising ED rates in young men linked to phone use: porn dopamine desensitization, blue light sleep disruption, sedentary lifestyle. Evidence-based recovery steps.
Penis enlargement pills, pumps, jelqing, surgery — what the research says about every method. Spoiler: the $6.2B industry sells products that don't work.
10 persistent penis myths debunked with science: masturbation, NoFap, tight underwear, food supplements, testosterone, race, pumps, growth age, and the bigger-is-better lie.
Morning erections are a health diagnostic. Here's what nocturnal penile tumescence means, why it happens, when losing it is a red flag, and what it tells you about ED.
Weight loss and penis size: how the suprapubic fat pad hides 1-2 inches of shaft, bone-pressed measurement explained, and why losing weight is the only real enhancement.
Only 18% of women orgasm from penetration alone. The orgasm gap between heterosexual and lesbian women proves technique matters infinitely more than penis size.
71% of partners prioritize hardness over length. The Erection Hardness Scale explained, plus 5 evidence-based ways to improve erection quality through lifestyle changes.
Circumcision and penis size: meta-analysis data shows no size difference. Sensation research is mixed but most rigorous studies show no significant impact on satisfaction.
If a barnacle were human-sized, its penis would be 300 feet long. Ducks have corkscrew penises. Gorillas average 1.5 inches. Here's how humans actually compare.
From 4 inches at 14 to 7.6x5.3 at 19 — the real growth data behind why I built PenisStats. Personal stats, percentile breakdowns, and why I didn't even know I was big until someone told me.
Whether you point up, straight, or slightly down is determined by the suspensory ligament — mostly genetic. All angles within a wide range are normal and functional.
Body dysmorphic tendencies affect nearly half of men regarding penis size. Here's how your brain distorts your self-image and what to do about it.
The spotlight effect: psychology proves you overestimate how much others notice you by 2x. The locker room anxiety you feel? Almost entirely in your head.
The internal crura extend deep into the body. What you see is roughly half the total structure. Real anatomy that nobody outside med school knows.
50% of men are below average by definition. Partner satisfaction doesn't correlate with size. Here's what the data says about being on the smaller side.
Standard condoms don't fit ~30% of men. The FDA restricted sizing for decades. Breakage, slippage, and 'condoms suck' complaints were a design failure, not a user failure.
Studies show women underestimate their partner's size in recall tasks. Self-reported averages are inflated 20%. The perception gap is rigged in your favor.
A Stanford meta-analysis of 55,761 men found erect penis length increased 24% in 29 years. The same chemicals may be shrinking sperm counts.
Evidence-based breakdown of every penis enlargement method: pills, pumps, extenders, jelqing, surgery. What the clinical trials actually show, what the FDA warns about, and what's worth…
Complete condom size comparison: Trojan, Durex, Skyn, ONE, MyOne — every width, length, and target girth in one chart. Find your actual fit.
If you're a teenager worried about your size, read this first. Real medical data on puberty timelines, why you're probably still growing, and why your friends are lying about their size.
Complete guide to STI testing for men — which tests to get, how often, what to expect, and how to access free or low-cost testing near you.
The penis has an internal root anchored to the pelvis that you never see. Here's the anatomy, why bone-pressed measurement exists, and how weight loss reveals hidden length.
The largest survey ever conducted on penis size satisfaction: 85% of women are satisfied with their partner's size. Here's every study on what actually matters in bed.
Flexing your calves redirects blood flow and kills an erection in under a minute. Here's exactly how to do it, why it works, and how it compares to the waistband tuck and other methods.
Cold water, stress, exercise — your penis size fluctuates constantly and it's completely normal. Here's the physiology behind every size change you've ever noticed.
No, masturbation does not make your penis bigger or smaller. Here's the actual science behind the myths, plus what it does and doesn't affect.
Clinical data proves flaccid penis size has almost no relationship to erect size. Here's the research on growers vs. showers, why it happens, and why the guy you're envying might actually…
Blood flow, temperature, hydration, stress, time of day — your penis is not a fixed object. Here's the science of why it constantly fluctuates.
Meta-analyses show circumcision does not reduce erect penis size or sexual satisfaction. Here's what the clinical evidence actually says about size, sensitivity, and function.
~30% of men seeking enlargement have normal-sized penises but clinical body dysmorphia. Learn the signs, causes, and evidence-based treatments for PDD.
No. Studies of 104+ men found zero correlation between shoe size and penis length. Same for hand size and height. Here's every predictor myth, debunked.
Your penis can shrink 50%+ in cold water. Here's the science behind temperature-related size changes, why it happens, and why it says nothing about your actual size.
The ultimate penis FAQ answering 200+ questions about penis size, growth, health, function, and concerns. Medical answers to everything you've wondered but were afraid to ask.
The male refractory period ranges from minutes to days depending on age, health, and biology. Here's the science behind why round two takes time — prolactin, dopamine, and what actually…
The witch's kiss, toilet water touching, and porcelain problems. Real solutions for the most disgusting big dick problem that affects 15% of men daily.
Practical, no-BS guide for men dealing with visible bulge in gym shorts, athletic wear, and swimwear. Fabric picks, underwear solutions, and confidence tips.
Women chose 6.3 inches as ideal in a 3D model study — barely above average. The gap between average and preferred is way smaller than you think.
The real science behind testicle size, testosterone levels, and sperm production. Medical facts about what bigger balls actually mean for fertility and hormones.
37% of men have a natural penile curve. Here's the medical data on what's normal, what Peyronie's disease actually looks like, when to worry, and when to relax.
Discover the real average penis size with our scientific penis calculator. Compare penis size by country, understand normal penis size, and learn proper measurement. Based on 15,000+…
Comprehensive scientific analysis of penis size by race. Debunking myths about black penis size, asian penis size, and white penis size with real medical data from 50+ studies.
Calculate your testicle size percentile using real medical data. Based on urological studies with 15,000+ measurements. Anonymous, instant results.
The honest guide to locker room behavior, shower etiquette, and why everyone looks but nobody talks about it. Psychology, rules, and the universal male experience.
Girl inches explained: why partners overestimate penis size by 1-2 inches, the chain reaction of lies, and what the research says about size perception bias.
Interactive penis size calculator with world map comparison. See how you compare globally with real medical data from 15,521 measurements.
Get in touch with PenisStats. Questions, feedback, or suggestions welcome. We actually read and respond to messages.
Penis size calculator data shows confidence matters more than inches. Average penis size is 5.1 inches but confidence adds 10. Dick size calculator proves personality wins.
Discover when penis stops growing, average penis size by age, complete penis growth timeline from puberty to adulthood. Medical facts about teenage penis growth and development.
Real talk about big dick problems: partner pain, condom issues, TSA searches, relationship doubts. For guys 7+ inches dealing with size-related challenges.
Real talk about big dick problems: partner pain, condom issues, TSA searches, relationship doubts. For guys 7+ inches dealing with size-related challenges.
Penis size calculator data proves why 18-25 changes everything. Average penis size matters less, dick size calculator shows you're normal. Is 5.5 inches small? Not after 18.
Penis size calculator results show why high school size anxiety is meaningless. Average penis size stats prove everything changes after 18. Dick size calculator and real data inside.
The honest guide to locker room behavior, shower etiquette, and why everyone looks but nobody talks about it. Psychology, rules, and the universal male experience.
93% of boys with delayed puberty were short at first evaluation. By adulthood, 83% reached normal height. Delayed puberty is a normal variant, not a disorder.
Sextortion help guide: what to do if someone threatens to share intimate photos. Step-by-step reporting, templates for telling parents/friends/teachers, legal resources.
The millimeter wave scanner false positive issue for well-endowed men. Why TSA knows about the problem but continues anyway. Real solutions that work.
The witch's kiss, toilet water touching, and porcelain problems. Real solutions for the most disgusting big dick problem that affects 15% of men daily.
The real science behind testicle size, testosterone levels, and sperm production. Medical facts about what bigger balls actually mean for fertility and hormones.
Five cognitive biases stack against you when you compare your body to others. Here's every distortion explained — and why the comparison is broken by design.
The calf flex technique redirects blood flow away from your erection in under a minute. Here's exactly how to do it, why it works, and other methods that actually help when you need to kill…
Comprehensive scientific analysis of penis size by race. Debunking myths about black penis size, asian penis size, and white penis size with real medical data from 50+ studies.
Discover when penis stops growing, average penis size by age, complete penis growth timeline from puberty to adulthood. Medical facts about teenage penis growth and development.
The ultimate penis FAQ answering 200+ questions about penis size, growth, health, function, and concerns. Medical answers to everything you've wondered but were afraid to ask.
PrEP prevents HIV with 99% effectiveness and most Americans can get it at $0 cost. Here's exactly how — no insurance required, no runaround, no BS.
3-5 erections per night, linked to REM sleep, lasting up to 3 hours total. It's your body's maintenance system — and a built-in health monitor.
Penis size calculator data shows confidence matters more than inches. Average penis size is 5.1 inches but confidence adds 10. Dick size calculator proves personality wins.
The baculum (penis bone) exists in dogs, bears, walruses, and most primates. Humans lost it — and evolved something arguably more impressive instead.
Real talk about big dick problems: partner pain, condom issues, TSA searches, relationship doubts. For guys 7+ inches dealing with size-related challenges.
Does ball size correlate with penis size? Scientific data reveals the truth about testicle size, proportions, and why big balls might make you look smaller.
The medically correct way to measure penis length and girth. Bone-pressed vs non-bone-pressed, common mistakes, and why your number doesn't match the studies.
Discover the real average penis size with our scientific penis calculator. Compare penis size by country, understand normal penis size, and learn proper measurement. Based on 15,000+…
Penis size calculator data proves why 18-25 changes everything. Average penis size matters less, dick size calculator shows you're normal. Is 5.5 inches small? Not after 18.
Penis size calculator results show why high school size anxiety is meaningless. Average penis size stats prove everything changes after 18. Dick size calculator and real data inside.
The real statistics on when guys lose their virginity in 2026. Average age by country, generation trends, and why 27% of young men haven't had sex.
Why your flaccid size varies by inches during the day. Cold shrinkage, stress shrinkage, post-workout shrinkage explained with the actual physiology. It's normal, it's temporary, and it's…
Complete guide to STI/STD testing in 2026. At-home test kits, same-day lab walk-ins, free testing options, and when to test for each infection. Private, fast, and often free.
Real statistics: 11-17% of men have had same-sex experiences. Does penis size differ by sexuality? The surprising data about male sexuality in 2026.
The pubic fat pad can hide a significant portion of your penis. Urologists commonly cite about 1 inch of visible length gained per ~30 pounds lost. Here's the anatomy, the evidence, and…
The embryology of penis development: weeks 8-14 of gestation, the role of DHT and 5-alpha reductase, anogenital distance research, and why so much of adult size was set before you were born.
Why porn gives you a completely distorted sense of average penis size. Casting selection bias, camera angles, lighting, shaving tricks, and hand-grip tricks all explained.
The guide to penile and testicular health every guy should have been given in sex ed. Self-exam, warning signs, common conditions (phimosis, balanitis, varicocele, Peyronie's), and when to…
Does birth order predict penis size? The Reddit myth separated from the real birth order effect research. What Blanchard's fraternal birth order research actually shows — and what it…
What do partners actually prefer in penis size? The research on girth vs length, short-term vs long-term preferences, and what actually predicts sexual satisfaction. Hint: it's not what you…
What is morning wood actually? Nocturnal penile tumescence explained — why it happens during REM sleep, what it tells you about vascular health, and when its absence is a warning sign.
The clinical definition of micropenis vs the internet's casual use of the term. What the actual medical threshold is (about 2.75 inches stretched), how rare it is, and why most men who…
Late bloomers guide: why penis development can continue through the teens into the early twenties. Tanner stages, puberty timing variance, and why a below-average 15-year-old can end up…
Is penis size genetic? The honest answer from endocrinology, embryology, and genetics research — including why prenatal hormones may matter more than your father's height.
Human vs gorilla vs chimp penis size comparison. Why humans — not gorillas or chimps — have the largest penis of any great ape, the evolutionary biology behind it, and why you're a…
Grower vs shower: why flaccid penis size is a terrible predictor of erect size. The data behind the huge variance in flaccid-to-erect ratios and why locker room comparisons are meaningless.
How to get PrEP (HIV prevention medication) for free in 2026. The ACA coverage rules, Gilead's patient assistance program, MISTR telehealth, and what replaced the federal Ready, Set, PrEP…
How to get free condoms mailed to your door in 2026. State-by-state programs, eligibility, confidentiality, and the easiest sources. Fully updated for 2026.
Is it normal for my penis to curve? To point up? Sideways? Down? The full guide to normal erect angles and curves — and when a curve is actually Peyronie's disease worth seeing a doctor…
Every way you compare yourself — locker rooms, porn, looking down at yourself, your friend's boasts, Reddit — is systematically broken. Here's why every reference point misleads you and…
Why your penis looks smaller when you look down at it: the foreshortening effect explained. The perspective problem that makes millions of men think they're smaller than they actually are.
The real statistics on when guys lose their virginity in 2025. Average age by country, generation trends, and why 27% of young men haven't had sex.
Real statistics: 11-17% of men have had same-sex experiences. Does penis size differ by sexuality? The surprising data about male sexuality in 2025.
Does your ring finger predict penis size? The honest rundown on the 2D:4D digit ratio hypothesis, the 2011 Korean study that started the rumor, and what the replication research actually…
Scientists 3D-printed 33 penises and asked women to pick their ideal. The result: only slightly above average. And kindness ranked far above size in what women want.
Phthalates in plastics are shortening baby boys' penises and dropping sperm counts. Dr. Shanna Swan's research explained, plus how to reduce your exposure.
A Stanford meta-analysis of 55,761 men found erect penis length increased 24% in 29 years (4.8 to 6 inches). The researchers are worried. Here's why.
Most genes controlling penis size live on the X chromosome — which comes from your mother. Here's how the genetics actually work, and why brothers can be different sizes.
Men have 3-5 erections every night during sleep, lasting up to 3 hours total. It's your body's maintenance system. Here's why it matters for your health.
Pearly penile papules, Fordyce spots, curvature, color variation, raphe lines — here's what's normal and what's not. A medical guide to penile appearance.
A 400-pound gorilla has a 1.5-inch erect penis. Chimps are thinner. Humans are uniquely thick. What primate penis sizes reveal about mating and evolution.
Penis size is 60-80% genetic. Your mom's X chromosome plays a bigger role than your dad's Y. Here's the science of the genetic lottery behind penis size.
SNL's Weekend Update quoted a study claiming the average erect penis is 6.34 inches. The real clinical average? About an inch shorter. Here's why the numbers don't match.
The PenisStats founder was still growing at 19-20. Medical data confirms penis growth can continue to age 21. Here's the science of late development.
MIT researchers accidentally discovered that probiotic yogurt gave mice 5-15% bigger testicles and 'mouse swagger.' Harvard found similar early results in humans. The full story.
A meta-analysis of 250+ studies across 53 countries found sperm counts have dropped over 50% since 1973. The decline is accelerating. Testosterone is falling too.
From Greek statues with tiny penises to a Stanford study showing 24% growth in 29 years. The fascinating history of penis size across generations.
The FDA has found 350+ 'male enhancement' supplements tainted with hidden prescription drugs. None of them grow your penis. Here's what the industry doesn't want you to know.