VO2 max VO2 Max: The Single Best Predictor of How Long You'll Live One metric predicts all-cause mortality better than cholesterol, blood pressure, or smoking status. VO2 max. And you can improve it substantially at any age.
DEXA scan DEXA Scan: The Body Composition Test That Shows What Your Scale Can't Your scale weight doesn't tell you body composition. DEXA does — with accuracy that changes understanding of what you're actually carrying.
fatty liver Fatty Liver in Men: The Silent Disease Behind 30% of Us Fatty liver is a silent disease affecting roughly a third of American men. Early detection is straightforward. Reversal is often achievable. Most men don't know they have it.
fiber Fiber: The Nutrient 95% of American Men Don't Get Enough Of American men consume roughly half the fiber they need. The effects on cardiovascular, metabolic, and gut health are substantial and accumulating.
Protein Protein Timing for Men Over 40: You Need More Than You Think Your body becomes less efficient at using protein in middle age. The dose needed to maintain muscle goes up — not down — as you get older.
intermittent fasting Intermittent Fasting: What It Actually Does, and Doesn't Intermittent fasting is real but oversold. It helps with weight loss adherence. It doesn't unlock mysterious health benefits beyond calorie restriction.
Gut Health Gut Microbiome Testing: Is It Worth $200? Gut microbiome testing is a hot trend. The underlying science is real; the clinical actionability of consumer tests is not yet there.
hearing loss Hearing Loss in Your 40s: You Can't Reverse It, So Prevent It You can't regrow damaged hair cells. Everything about hearing preservation is prevention. Here's how to not be the 60-year-old asking people to repeat.
vision Vision Loss at 40: Presbyopia and What You Can Actually Do That moment when you can't read the menu hit you sometime in your early 40s. It's presbyopia, it's nearly universal, and you have more options than reading glasses from the drugstore.
dental health Dental Health After 40: Why Your Gums Matter More Than Your Teeth Your cavities aren't the issue anymore. The gums supporting your teeth are where dental problems come from after 40.
gum disease Gum Disease and Heart Disease: The Connection Most Men Ignore Your inflamed gums aren't just a dental problem — they're a cardiovascular signal. The connection is well-established and often ignored.
lung cancer Lung Cancer Screening for Former Smokers: The Test Most Miss If you smoked for 20 years and quit a decade ago, annual low-dose CT can catch lung cancer early. It's the most under-utilized evidence-based screening in American medicine.
testicular cancer Testicular Self-Exam: A 60-Second Habit That Could Save Your Life Testicular cancer is treatable when caught early, usually curable. The detection method is a 60-second self-exam most men have never been taught.
skin cancer Skin Cancer Check: What Most Men Miss on Their Own Body Melanoma is one of the most survivable cancers when caught early. Men get it caught late because we don't check. Learn the patterns that matter.
colon cancer Colon Cancer Is Rising in Men Under 50: Get Screened Earlier Colorectal cancer in men under 50 has been rising for 30 years. Guidelines have changed to reflect this. Your 45-year-old colonoscopy isn't optional anymore.
Prostate Cancer Prostate Cancer Screening: PSA Age 40 or 50? The 2026 Guidelines The PSA screening debate has shifted. Here's what the current evidence says about when to test, when to ignore, and when to act.
Alcohol Alcohol and Testosterone: The Data Is Worse Than You Think Your cardio is fine. Your training is hard. Your testosterone is 420. If you're drinking nightly, you found at least part of the answer.
caffeine Caffeine Half-Life: Why Your Coffee Habit Might Be Ruining Your Sleep The afternoon coffee that doesn't feel like it affects you is fragmenting your deep sleep tonight. The math is unforgiving.
Alcohol Alcohol After 35: What Two Drinks a Night Really Does The health benefits of moderate drinking have largely evaporated under better research. Two drinks a night isn't 'moderate' — it's a liability.
melatonin Melatonin for Men Over 40: Dose Lower Than You Think The 5mg and 10mg melatonin bottles on pharmacy shelves are massively overdosed. Optimal dose for most uses is 0.3-1mg — and timing matters more than amount.
zinc Zinc and Male Health: Deficiency Is Common, Overdose Is Dangerous Zinc deficiency is real, common, and fixable. But more zinc isn't better — excess suppresses copper and immune function. Dose matters.
adaptogens Rhodiola, Bacopa, Lion's Mane: Adaptogens Worth the Money? Some adaptogens have real data. Others are ceremonial. Here's the evidence-based breakdown of three popular ones — and when they're worth trying.
Supplements The Supplement Industry Lies: 12 Products That Don't Work Testosterone boosters. Fat burners. Immune supplements. Here's what the actual evidence shows — and which popular products you can safely delete from your routine.
ashwagandha Ashwagandha and Cortisol: What the Studies Actually Show Ashwagandha has real data behind it — modest cortisol reduction, improved sleep, reduced anxiety. Not transformative, but not snake oil either.
magnesium Magnesium: Which Form, Which Dose, When to Take It Magnesium comes in a dozen forms. They're not interchangeable — some are for sleep, some for digestion, one for cognition. Here's the practical breakdown.
