ScienceInsights

A high sex drive can stem from hormones, brain chemistry, age, and more. Learn what's normal, what drives libido, and when it might be worth addressing.

Fiber does more than aid digestion. Learn how it supports heart health, blood sugar, and weight, plus the best foods to eat more of it.

Pain during certain sex positions often comes down to anatomy, not technique. Learn what's behind it and what can actually help.

From CPAP to surgery, here's a clear look at the main sleep apnea treatments and how to find the right approach for you.

Brain fog has real causes, from poor sleep and stress to dehydration and medical conditions. Here's what's behind it and how to clear your head.

Skilled nursing care includes wound care, IV therapy, tube feeding, and more. Learn what qualifies and how Medicare typically covers these services.

Plan B works mainly by delaying ovulation, but timing and body weight affect how well it works. Here's what to realistically expect.

Stomach flu typically clears up in 1–3 days, but it depends on the virus. Here's what to expect and when to feel concerned.

Curious about swallowing semen? Learn how your body processes it, the real STI risks, allergy facts, and what the science says about mood effects.

Fidget spinners may help some people with ADHD or anxiety stay focused, but context matters. Here's what the science actually says.