ScienceInsights

Cold sores are caused by HSV-1, a virus that can lie dormant for years. Learn what triggers outbreaks and how to reduce how often they happen.

Vaginal taste varies naturally due to pH, sweat, hormones, and diet. Learn what's considered normal and when a change might signal something worth checking out.

That strange feeling in the back of your throat usually has a simple explanation, from postnasal drip to silent reflux or tonsil stones.

Eczema can appear at any age. Learn what weakens your skin barrier, which triggers cause first flares, and how hormones or medications may be involved.

White patches on your face can stem from several different conditions. Learn how to identify the cause and find the right treatment to restore your skin tone.

Rybelsus takes about 4-5 weeks to fully clear your system. Here's what to expect week by week and why timing matters for surgery or pregnancy.

Swollen feet and ankles can often be eased at home with elevation, movement, compression, and less salt — plus when to see a doctor.

Most girls reach close to their final height by 16. Learn what's typical, what drives height, and when it's worth talking to a doctor.

HSV-1 symptoms typically appear 2–12 days after exposure, though many people never notice them at all. Here's what to expect and when.

On day 3 after wisdom teeth removal, soft foods like yogurt, eggs, and mashed potatoes are safe. Here's what to eat and what to avoid.