ScienceInsights

Zyrtec-D is safe for short-term use, but the 7-day limit exists for good reason. Here's what happens if you take it longer and when to see a doctor.

When someone you care about is suicidal but won't accept help, here's what you can actually do to keep them safer.

Learn what early genital herpes symptoms look like, how to tell them apart from ingrown hairs, and when to see a doctor for a reliable diagnosis.

At 10 months, most babies need 24–32 oz of breast milk or formula daily, balanced alongside growing solid food intake.

Most 3-month-olds weigh between 11–16 lbs, but healthy ranges vary. Learn what affects baby weight and when to check in with your pediatrician.

Conductive and sensorineural hearing loss have different causes, symptoms, and treatments. Learn how audiologists tell them apart and when to seek urgent care.

Learn the safe daily acetaminophen limits for adults and kids, why your liver sets those boundaries, and how to avoid accidental overdose from combination products.

At 3 months, most babies drink 3–4 oz per feed, 8 times a day. Learn what's normal, how growth spurts affect intake, and signs your baby is well-fed.

Learn to recognize mild stroke symptoms, including signs beyond FAST, how they differ in women, and why acting quickly makes a real difference.

Found a tick on your child? Learn how to remove it safely, what to do next, and which symptoms to watch for over the following month.