Guides to medicines, generics and the questions official sources leave unanswered. Every article is sourced, link-checked and honest about uncertainty.
A single dose of doxycycline after sex cuts the risk of syphilis and chlamydia, and in 2026 the WHO backed it for the first time. Here is who it is for, how well it works, and the resistance trade-off nobody advertises.
The date on the box is a legal minimum, not a cliff. A decades-long government study found most drugs stay potent for years past it, with a short list of dangerous exceptions. Here is what actually happens to old medicine, and when to bin it.
A generation was scared off hormone therapy, then the science shifted again. The honest answer to 'is it too late at 62?' is more nuanced than either the old fear or the new online optimism. Here is what the timing actually means.
The gummy aisle sells melatonin in 5 and 10 mg doses, but the evidence points to a fraction of that, and to timing over quantity. Here is how melatonin actually works, the dose that suits most people, and how to beat jet lag with it.
A cheap diabetes drug became the longevity world's favourite pill. Then a 21-year study found it did not lower the burden of chronic disease. Here is what metformin really does, what it does not, and who it is honestly for.
Silicon Valley and the study-forum crowd treat modafinil as a focus superpower. The research on non-sleep-deprived people is far more mixed, and includes a few catches the hype skips. Here is what it does, and does not, do for a normal brain.