Evidence-Based Supplement & Herb Guides

Saw Palmetto for Prostate Health: Evidence, Benefits, and Side Effects

Saw palmetto may offer modest urinary symptom relief for some men, but strong studies show limited benefit for BPH. Learn side effects, safety tips, and when to seek care.

Saw palmetto is one of the most common supplements marketed for men with enlarged prostate symptoms, especially frequent urination, weak stream, and waking at...

Semen Analysis Explained: What Results Mean and Next Steps

Learn how to read semen analysis results, including sperm count, motility, morphology, volume, abnormal patterns, repeat testing, causes, and next steps.

A semen analysis is often the first test used to check the male side of fertility. It measures how much semen is produced, how...

Semen Changes: Watery, Thick, or Clumpy—What’s Normal and What’s Not

Learn what watery, thick, clumpy, yellow, or bloody semen can mean, what changes are usually normal, and when symptoms should be checked by a doctor.

Semen can look different from one ejaculation to the next. It may be white, grayish, slightly yellow, thicker after a few days without sex,...

Semen Smell Changes: Diet, Dehydration, or Infection?

Learn what semen smell changes can mean, including diet, dehydration, infection signs, color changes, testing options, and when men should see a doctor.

A change in semen smell is usually not an emergency, but it can be confusing because the cause is not always obvious. Semen normally...

Sex After Having a Baby: Low Libido, ED, Stress, and Relationship Changes

Sex after having a baby can change because of low libido, ED, stress, sleep loss, recovery, pain, and relationship strain. Learn what helps and when to seek care.

Sex often changes after a baby arrives, even in strong relationships. Desire may drop, erections may become less reliable, and the old rhythm of...

Shockwave Therapy for ED: Evidence, Benefits, Costs, and Who Might Benefit

Shockwave therapy for ED may help selected men with mild to moderate blood-flow-related erectile dysfunction, but results vary. Learn the evidence, costs, risks, and who may benefit.

Shockwave therapy for ED is a noninvasive treatment that uses low-intensity sound waves on the penis to try to improve blood flow. It is...

Skin Cancer in Men: Warning Signs, Self-Checks, and Prevention

Learn the warning signs of skin cancer in men, how to do a monthly skin self-check, which spots need medical care, and how to prevent UV damage.

Skin cancer can start as a small spot that is easy to ignore: a scab from shaving that keeps coming back, a rough patch...

Sleep Apnea in Men: Symptoms, Risks, and When to Get a Sleep Study

Learn the signs of sleep apnea in men, including snoring, gasping, fatigue, high blood pressure, and when a home or lab sleep study may be needed.

Sleep apnea often looks like “just snoring” from the outside, but the real problem is repeated breathing disruption during sleep. In men, it may...

Smoking and Men’s Health: ED, Fertility, Heart Disease, and Cancer Risk

Learn how smoking affects men’s erectile function, sperm quality, heart disease risk, blood pressure, cancer risk, screening needs, and what can improve after quitting.

Smoking affects men’s health long before a diagnosis like heart disease or cancer appears. Erections, stamina, sperm quality, blood pressure, and exercise tolerance can...

Smoking and Sperm Quality: What Improves After You Quit

Learn how smoking affects sperm count, motility, semen volume, and DNA quality, what may improve after quitting, and when to repeat fertility testing.

Smoking can affect sperm in several ways: fewer sperm, weaker movement, lower semen volume, more abnormal forms, and higher sperm DNA damage. Quitting does...

Snoring and Daytime Fatigue: When It’s Not Just Poor Sleep

Loud snoring with daytime fatigue may be more than poor sleep. Learn the signs of sleep apnea, health risks for men, testing options, and treatments that can improve energy.

Snoring is often treated like a joke, a bedroom annoyance, or a sign that someone is exhausted after a long day. Sometimes it is...

Sperm DNA Fragmentation: What It Means for Male Fertility

Learn what sperm DNA fragmentation means, when testing may help, what causes high DFI, and how results can guide male fertility treatment choices.

Sperm can look normal under a microscope and still carry damaged DNA. That is the basic idea behind sperm DNA fragmentation. A routine semen...

Sperm Morphology: What It Means and When It Matters

Understand sperm morphology, what a low percentage means, when it affects fertility, and what steps men can take after an abnormal semen analysis result.

Sperm morphology describes the shape and structure of sperm cells. It is one part of a semen analysis, along with sperm count, movement, semen...

Spermatocele: Epididymal Cyst Symptoms, Causes, and Treatment

Learn spermatocele symptoms, causes, diagnosis, treatment options, fertility concerns, surgery recovery, and when a scrotal lump needs urgent care.

A spermatocele is a fluid-filled cyst that forms in the epididymis, the small coiled tube behind and above each testicle where sperm mature and...

Split Urine Stream: Causes, Fixes, and When to Get Checked

Split urine stream in men can come from dried semen, meatal narrowing, urethral stricture, BPH, infection, or pelvic floor tension. Learn fixes and red flags.

A split urine stream means pee comes out in two directions, sprays, fans out, or starts as more than one stream before joining again....

Strength Training After 40: Muscle, Testosterone, Injury Prevention, and Recovery

Strength training after 40 can build muscle, protect joints, support testosterone health, and improve recovery when workouts, protein, sleep, and progression are planned well.

After 40, strength training becomes less about chasing gym numbers and more about keeping muscle, joints, metabolism, hormones, and daily energy working in your...

Stress and Burnout in Men: Symptoms, Health Effects, and Recovery Steps

Learn how stress and burnout show up in men, how they affect sleep, mood, heart health, libido, and work performance, and what recovery steps can help.

Stress can push a man to solve problems, meet deadlines, protect his family, or perform under pressure. Burnout is different. It builds when stress...

Stroke Warning Signs in Men: FAST Symptoms and When to Call Emergency Care

Learn the FAST and B.E. FAST stroke warning signs in men, when to call 911, what to do while waiting for help, and which risk factors raise stroke risk.

A stroke can start while a man is driving, lifting weights, working at a desk, watching a game, or waking up from a nap....

Sudden Erectile Dysfunction: Common Causes and When to Get Checked

Sudden erectile dysfunction can come from stress, alcohol, sleep loss, medications, hormones, diabetes, heart risk, or injury. Learn when to get checked and what doctors test first.

A sudden problem getting or keeping an erection can feel alarming, especially when sex has been normal before. One episode after a stressful day,...

Suicide Warning Signs in Men: Risk Factors, Crisis Signs, and How to Get Help

Learn suicide warning signs in men, including hidden depression, anger, isolation, crisis signs, major risk factors, and how to get urgent help safely.

Suicide risk in men does not always look like crying, saying “I’m depressed,” or asking for help. It may show up as anger, withdrawal,...