ScienceInsights

Learn the key signs of a stroke, including subtle and often missed symptoms, so you can act quickly when it matters most.

Low T4 can cause fatigue, weight gain, and brain fog. Learn what causes it, how it's diagnosed, and how it's treated.

Several programs can help you get prescriptions at little or no cost, from Medicaid and Medicare Extra Help to manufacturer assistance and nonprofit copay funds.

Faking orgasms is more common than most realize. Here's why it happens, how it affects intimacy, and what couples can do about it.

Morning erections are a normal part of sleep cycles and can actually reflect cardiovascular and hormonal health. Here's what the science says.

Learn about how to treat latent tb — what the research says and what you need to know.

A clear look at clitoral anatomy, how it works, why it's so sensitive, and why science took so long to study it properly.

Learn how to recognize abnormal moles using the ABCDE rule, understand your actual risk, and know when it's worth seeing a doctor.

PMDD isn't caused by abnormal hormones — it's how the brain responds to them. Learn about the serotonin, genetic, and cyclical factors behind PMDD.

Most men overestimate how small they are. Here's what the research says about average size, perception, and what actually matters to partners.