ScienceInsights

Wiping front to back helps prevent bacteria from reaching the urethra. Learn the right technique, how to teach kids, and when to watch for UTI symptoms.

Most 4-month-olds need 14–16 hours of sleep daily. Learn what's normal for naps, nights, and the sleep regression many parents face at this age.

From stress reduction to herbal teas, here's what the evidence says about safely encouraging your period when it's running late.

Five-month-olds typically need 14–16 hours of sleep daily. Here's what naps, wake windows, and nights usually look like at this age.

Health anxiety feeds on reassurance and checking. Learn why these habits backfire and what approaches—like ERP and uncertainty tolerance—actually help.

Lexapro has a half-life of about 27–32 hours, but genetics, age, and liver health all influence how long it actually stays active in your system.

Cephalexin can cause digestive issues, rashes, and more. Here's what side effects to expect, how long they last, and when to call your doctor.

Practical ways to clear mucus from your throat at home, from gargling salt water to adjusting how you sleep and breathe.

Most people need 20–40g of protein after exercise, but timing matters less than you think. Here's what actually drives muscle recovery.

Caffeine withdrawal typically peaks around day two and clears up within a week. Here's what to expect and how to get through it more comfortably.