ScienceInsights

Most adults need more than 6 hours of sleep, even if they don't feel tired. Here's what the science says and how to get closer to the recommended amount.

Sneezing fits can stem from allergies, sunlight, stress, and even certain foods. Here's what's behind repeated sneezing and how to find some relief.

After implantation bleeding, your body changes fast. Learn what symptoms to expect, when to test, and what signs warrant a call to your doctor.

Learn what happens during each phase of your menstrual cycle, from menstruation and ovulation to the luteal phase, and why cycle length varies person to person.

Dry scalp usually improves with a few simple changes—gentler shampoo, cooler showers, and scalp oils can make a real difference within weeks.

NyQuil typically kicks in within 30 minutes and lasts 6–8 hours, but food, formula, and other factors can affect how well it works for you.

Early pregnancy spans weeks 1–12, but what's actually happening in your body? Learn when symptoms start and what to expect in the first trimester.

Ringworm spreads easily through skin contact, but antifungal treatment works well and you become less contagious within a day or two of starting it.

Dealing with an upset stomach? Learn which foods help settle digestion, what to skip, and how to ease back into eating comfortably.

Mango can fit into a diabetic diet with the right portion, ripeness, and timing. Here's what the science says about managing blood sugar while enjoying it.