ScienceInsights

At 10 days old, most babies need 1.5–3 oz per feeding. Learn how hunger cues and your baby's tiny stomach guide how much and how often to feed.

High cholesterol can affect far more than your heart. Learn how it impacts your arteries, brain, legs, and overall health over time.

Those rough, bumpy patches on your upper arms are likely keratosis pilaris—a harmless skin condition with simple treatments that can help smooth things out.

A white film on your tongue is usually harmless, but it can sometimes signal conditions like oral thrush or leukoplakia. Here's how to tell the difference.

Honest signs that your drinking may have crossed a line, from physical signals to behavioral patterns worth paying attention to.

At 3 weeks old, babies can see about 8–12 inches away and prefer high contrast. Here's what their developing vision actually looks like.

Bad breath usually comes from bacteria, dry mouth, or food — here's what oral hygiene habits actually help and when to look beyond your mouth.

Zinc, sleep, and saline rinses have real evidence behind them. Here's what actually helps you recover from a cold faster, and what you can skip.

Adderall typically kicks in within 30–60 minutes, but timing varies by formulation, body chemistry, and how long you've been taking it.

Newborn hiccups are common and usually harmless. Learn what causes them, how to gently stop them, and when it's worth mentioning to your doctor.