ScienceInsights

Most adults need 1–2 hours of deep sleep per night, but age and lifestyle affect how much you actually get. Here's what to know.

Sudden fussiness at 6 months is usually teething, a growth spurt, or a developmental leap. Here's how to tell what's going on with your baby.

Blood pressure targets shift as men age. Learn what readings are considered healthy at different life stages and how to manage your numbers naturally.

That fluttery "skipped beat" feeling is usually a premature heartbeat — common, often harmless, but worth understanding when to mention it to your doctor.

Hearing voices can have many causes. Learn how to respond calmly, when to seek urgent help, and how treatment and support can make a real difference.

Learn what those diopter numbers mean, how to test reading glass strength at home, and when it's time to see an eye doctor instead.

Wegovy side effects are common but usually temporary. Here's what to expect during dose escalation and how long nausea and other symptoms typically last.

Most 3-month-olds weigh 12–16 lbs and measure around 24 inches, but healthy growth varies by feeding method, genetics, and birth history.

Avocados offer a solid mix of soluble and insoluble fiber that supports gut health and steady blood sugar, with amounts varying by serving size and ripeness.

Simple, science-backed remedies for sore throat relief, plus how to tell if your symptoms need a doctor's attention.