ScienceInsights

Masturbation is common, but can doing it too often cause real harm? Here's what the science says about frequency, benefits, and when to reconsider your habits.

At 22 weeks, your baby is about the size of a papaya. Here's what they look like, how they're developing, and what viability means at this stage.

Body temperature varies more than you might think. Learn what's actually normal in Celsius, when to call it a fever, and why 37°C isn't the whole story.

Upper right abdominal discomfort can stem from fatty liver, hepatitis, or conditions that mimic liver pain. Learn what the symptoms mean and when to see a doctor.

New stretch marks respond better to treatment than old ones. Here's what the evidence says actually works, from tretinoin to lasers.

From minoxidil to new JAK inhibitors, here's what actually works for hair regrowth depending on your type of alopecia.

Find out which lotion ingredients are safe during pregnancy and which ones to avoid, including tips for treating acne, stretch marks, and dark spots.

Practical tips to manage Wegovy side effects like nausea and constipation, plus what to expect in the first few months of treatment.

Dermatologists explain what actually causes dry skin and which moisturizers, cleansers, and habits help — plus when to see a doctor.