90% of heavy drinkers develop fatty liver. Damage can begin after just two weeks of excessive drinking. Here's what the thresholds actually are and what your liver tests reveal.

90% of heavy drinkers develop fatty liver. Damage can begin after just two weeks of excessive drinking. Here's what the thresholds actually are and what your liver tests reveal.

35 is not a cliff, but it is a real biological inflection point. Here's what actually changes in your body after 35, and what to test.

25 to 50% of infertile women have endometriosis. But most wait 7 to 10 years for a diagnosis. Here's what to watch for and when to test.

AMH is a number, not a verdict. It estimates your egg quantity, not your ability to conceive. Here's what it actually means.

Testing too soon can give a false negative. Each STD has a different window period. Here's exactly when to test after exposure.

Think you missed the HPV vaccine window? Gardasil 9 is approved for adults up to 45 and still protects you.

Frequent business traveller? Learn which vaccines to maintain, how your destinations determine your baseline.

Standing desks are marketed as the antidote to sitting all day. The evidence is more nuanced. Here's what they actually do and don't, and what works better.