ScienceInsights

Your body clears alcohol at a fairly predictable rate, but age, liver health, and what you drank all play a role in how long it stays detectable.

Back knots form for several reasons, from poor posture to stress. Learn what's really causing yours and how to find lasting relief.

Alcohol use disorder is more than heavy drinking. Learn how it's defined, who's at risk, and what effective treatment looks like.

A blood pressure of 111/72 is generally healthy, but age, symptoms, and context all shape what this reading means for you.

Simple lifestyle habits like cutting sugar, managing stress, and changing your pillowcase can help clear acne without buying a single product.

Green poop is usually harmless and linked to diet or fast digestion, but here's when it might be worth a closer look.

Learn the recommended ibuprofen doses for adults and children, who needs lower amounts, and how to spot signs of taking too much.

Waking up exhausted is common, but small changes to light, timing, and sleep habits can make mornings feel a lot more manageable.

Blood in urine can stem from many causes in men, from kidney stones and infections to prostate issues. Here's what it means and when to see a doctor.

Most colds take 1 to 3 days to develop after exposure. Learn what to expect as symptoms unfold and when you're most likely to spread it to others.