ScienceInsights

Patchy loss, gradual thinning, or sudden shedding — learn what different types of alopecia look like and how doctors confirm a diagnosis.

At 32 weeks, most babies weigh around 3.75 pounds. Learn what's considered normal, why size varies, and what it means for your pregnancy.

Anxiety that seems random usually has real causes, from stress buildup to sleep and caffeine habits. Here's what's likely behind yours.

Water stuck in your ear can linger for days and lead to infection. Learn why it happens, when to worry, and safe ways to clear it out.

Learn the feeding struggles, physical signs, and simple home checks that can help you spot tongue tie in your baby before seeing a provider.

At 5'3", a healthy weight depends on more than BMI. Learn realistic ranges for men and women, how frame size matters, and what actually predicts good health.

Frequent headaches often come down to a few common causes — and sometimes your pain relief is part of the problem. Here's what's likely going on.

Most 5-month-olds need 3–4 hours of daytime sleep across 3–4 naps. Learn what's normal, how long wake windows should be, and signs to watch for.

Practical ways to loosen and clear chest phlegm, from hydration and breathing techniques to steam, honey, and when to see a doctor.

Period bloating is common and usually tied to hormonal shifts. Learn when it starts, how long it lasts, and simple ways to ease the discomfort.