ScienceInsights

Light bleeding after sex is common and often harmless, but certain causes are worth discussing with your doctor.

Healthy weight for 12-year-old boys varies widely. Learn how pediatricians assess growth, what BMI misses, and when to talk to a doctor.

Early pregnancy symptoms depend on implantation timing, not ovulation. Here's when signs become real versus progesterone mimicking them.

Taking too much semaglutide can cause nausea, dehydration, and low blood sugar. Here's what to expect and how to recover safely.

Late-night eating can disrupt sleep, trigger acid reflux, and affect hunger the next day—but an occasional bedtime snack isn't always a problem.

Your body clears alcohol at a fixed rate, and no amount of coffee or water speeds that up. Here's how long it actually takes.

Itching or crawling sensations under your skin can have a few real causes, from scabies to larva migrans, each with specific treatments.

Jardiance clears your system in about 2 days, but kidney function, surgery prep, and medication switches can all affect what that timeline means for you.

Lidocaine and prilocaine cream numbs skin for procedures and may help with premature ejaculation. Learn how it works, how to use it, and its side effects.

At 25 weeks, your baby is about the size of a rutabaga and hitting key milestones in lung development, movement, and sensory awareness.