ScienceInsights

Early tooth decay can actually be reversed. Learn how to stop cavities from progressing with simple daily habits, diet changes, and dental treatments.

Female sexual desire is shaped by hormones, brain chemistry, emotions, and more. Here's what science says about how arousal actually works.

Yellowish discharge is often harmless, but color, texture, and smell can signal an infection. Learn what's normal and when to see a doctor.

Blood in your stool can have many causes, from hemorrhoids to infections. Learn what the color means, when it's serious, and when to see a doctor.

Oats are a grain, so oatmeal isn't grain-free. Learn which diets exclude oats and discover alternatives if you're avoiding grains.

Learn what's actually happening in your body when a cold sore starts, from the first tingle to blister formation, including when you're most contagious.

Wearing socks to bed can help you fall asleep faster by warming your feet and signaling your body it's time to rest. Here's what the science says.

Implantation bleeding is light spotting that can occur in early pregnancy. Learn what causes it, what it looks like, and how to tell it apart from your period.

Practical ways to ease stomach pain at home, from heat therapy and gentle foods to OTC meds and knowing when to see a doctor.

Solitary confinement takes a serious toll on mental health. Here's what psychologists know about staying grounded when human contact is cut off.