Insights for better sexual health

Page one of this search rests entirely on one 2004 trial. Here is what the pooled randomised evidence since then actually shows, including how modest it is.

Losing weight raises testosterone in men who are overweight or obese, by amounts two independent meta-analyses agree on. In lean men, the finding reverses.

Nearly every article claiming Ozempic causes erectile dysfunction rests on one database study. A 2026 study with a proper comparator complicates it further.

One night of drinking and years of heavy alcohol use are not the same ED question. Here's what the evidence says about acute versus long-term effects.

The FDA-approved label for tadalafil describes alcohol in five separate places, and reports the doses used in its own studies. Here it is, quoted.

Population studies found lower ED odds among moderate drinkers. Newer causal-inference research and clinical guidance point the other way. Both can be true — here's why.