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.