Hair loss, sexual health, and the conditions that affect men specifically, with research-first coverage.
20 articles
Reduced sexual desire in men has multiple causes including hormonal, psychological, and relationship factors. Here is how to evaluate the cause and what the evidence shows about treatment.
Androgenetic alopecia is polygenic and influenced by both parents' families. Here is what the research shows about genetic inheritance, the AR gene, and why the 'maternal grandfather' rule is oversimplified.
Premature ejaculation affects approximately 20-30% of men. Here is what the research shows about its causes, how it is defined clinically, and which treatments have the strongest evidence.
Biotin, collagen, saw palmetto, and other supplements are marketed for hair loss. Here is what controlled trials actually show about each.
Preventive screening catches conditions when they are most treatable. Here is what clinical guidelines recommend for men at each decade, and why many of these tests are skipped.
PSA testing detects prostate cancer but also produces false positives that lead to unnecessary procedures. Here is what the evidence shows about when to test and how to interpret results.
The prostate grows with age and is susceptible to infection, benign enlargement, and cancer. Here is what the clinical evidence shows about prostate health, screening, and when symptoms need evaluation.
Anabolic-androgenic steroid use produces measurable cardiovascular, hormonal, and psychological harms. Here is what the clinical literature shows about documented risks from non-medical use.
Daily 5mg tadalafil maintains constant drug levels and treats both erectile dysfunction and benign prostatic hyperplasia. Here is what the controlled trials show about continuous dosing.
Cold water immersion has become associated with testosterone optimization in wellness culture. Here is what the research actually shows about cold exposure and hormone levels.
Platelet-rich plasma injections are promoted as a hair loss treatment, but the clinical trial evidence is inconsistent. Here is what the research shows about who benefits and by how much.
A 2009 study found creatine raised DHT by 56% in rugby players. Here is what that study actually showed, why it is frequently misinterpreted, and what the current evidence supports.
Follicular unit extraction and follicular unit transplantation are the two main surgical approaches to hair restoration. Here is how they differ in technique, scarring, graft survival, and outcomes.
Minoxidil users often stop treatment early because they misread the shedding phase as failure. Here is the actual month-by-month timeline from clinical trial data.
Topical finasteride aims to reduce scalp DHT with less systemic exposure than oral finasteride. Here is what the early clinical trial data shows about efficacy and systemic absorption.
Sexual side effects from finasteride occur in a minority of users according to clinical trial data. Here is what the PLESS trial found and how the numbers compare to placebo.
Dutasteride inhibits both type I and type II 5-alpha reductase, producing greater DHT suppression than finasteride. Here is what the clinical trial data shows about efficacy and safety.
The Norwood Scale describes seven stages of male pattern hair loss. Here is what each stage looks like, what drives the progression, and what treatment options exist at each point.
Sildenafil (Viagra) and tadalafil (Cialis) both treat erectile dysfunction but differ in duration, food interactions, and side effect profiles. Here is what the trial data shows.
Erectile dysfunction affects roughly 30 million men in the United States. Here is how its causes are classified, what the major risk factors are, and what treatments have the strongest evidence.