ScienceInsights

HSV-1 affects millions of Americans, but rates are changing. Here's what the data actually shows about cold sore prevalence, who's affected, and why.

Binge drinking thresholds differ by sex. Learn how many drinks cross the line, why biology plays a role, and what the health risks look like short and long term.

Learn how alcohol poisoning develops, what warning signs to watch for, and what steps to take if someone you're with is in danger.

Teens need 8 to 10 hours of sleep, but biology and screens make that hard. Here's why it matters and how to actually make it happen.

Most periods last 2 to 7 days, but flow, color, and timing vary. Learn what's normal and when to check in with a doctor.

Struggling to fall asleep? Learn practical techniques like breathing exercises, muscle relaxation, and simple habits that help you wind down naturally.

Learn how to treat a sprained ankle at home, manage pain, and know when it's time to see a doctor for proper care.

Learn how much formula to offer your newborn when supplementing, how often to feed, and how to tell if your baby is getting enough.

Criminal behavior stems from a mix of learned habits, trauma, genetics, and rational thinking—not just mental illness. Here's what the psychology actually shows.

Learn what causes seborrheic dermatitis on the face, how to spot it, and which treatments can help manage flare-ups long term.