All articles
Everything published so far, newest first. Every clinical claim links to the guideline, review or trial it came from.
Every article here is sourced. The two references used most often are the US Preventive Services Task Force and the Cochrane Library.
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Does Penis Enlargement Work? What the Evidence Actually Shows
A systematic review of 17 studies concluded these interventions should remain a last option, considered unethical outside clinical trials. The one thing that did work was counselling.
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Exercise and Diet for Erections: What the Trials Actually Show
Aerobic exercise improved erectile function by 4.9 points in men with severe dysfunction: within range of a prescription drug. The dose, the weight-loss trial, and the honest limits.
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Viagra Versus “Natural” ED Fixes: The Difference Is Not What You Think
The FDA found hidden sildenafil in 47% of the adulterated sexual enhancement supplements it flagged. The reason a natural pill sometimes works is often that it is not natural.
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Physical or Psychological? How to Tell Which Erection Problem You Have
Sudden onset with morning erections preserved points one way. Gradual onset with them fading points the other, and that version is telling you something about your arteries.
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Trouble Getting or Staying Hard: What It Means, and What Works
Penile arteries are 1 to 2 mm across; coronary arteries are 3 to 4 mm. That is why erectile dysfunction usually arrives years before heart symptoms, and why the work-up matters as much as…
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Do Testosterone Boosters Work? What Two Decades of Testing Found
A systematic review of 52 studies covering 27 ingredients found most fail to raise total testosterone. Which ones showed something, which did not, and why the category exists.
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Raising Testosterone Naturally: What Actually Works
Weight loss is the largest lever by a distance, and sleep is second. Resistance training, despite its reputation, showed no effect on resting testosterone in a meta-analysis of 22 studies.
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Testosterone, Libido and Erections: What It Fixes and What It Does Not
Testosterone drives desire. Erections are mostly blood flow. Adding testosterone to an ED drug helps only below about 288 ng/dL, above that the benefit stops being detectable.
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Low Testosterone: What the Number Means, and How It Is Properly Diagnosed
The diagnosis needs two early-morning blood draws under 300 ng/dL plus symptoms. What treatment improved in the largest trial, what it did not, and the fertility consequence that rarely comes up.
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Breathing, Focus and Performance Anxiety: What Is Actually Known
The anxiety is real and documented. The specific breathing techniques sold as a cure have never been tested in a controlled trial. Both of those things are true at once.