ScienceInsights

Dark chocolate's cocoa flavanols may support heart health, but the type and amount you eat matters more than you might think.

Learn when you're most fertile, how often to have sex, and what actually affects your chances of conceiving — including sperm quality and lubricants.

Swollen feet can ease up faster than you think. Learn practical ways to reduce swelling at home and when it's time to see a doctor.

Cotton underwear is breathable and gentle on skin, but it's not perfect for everyone. Here's how it compares to alternatives like bamboo.

Foot numbness can stem from diabetes, nerve compression, vitamin deficiencies, and more. Learn what causes it and how doctors find the answer.

Peanuts pack around 7g of protein per ounce, but there's a catch. Learn how to pair them to get the full benefit.

Learn how norethisterone and birth control pills can delay your period, who they're suitable for, and what side effects to expect.

Simple, science-backed habits like morning sunlight, exercise, and better sleep can support a healthier dopamine system naturally.

Self-therapy goes beyond self-help by using real psychological techniques. Learn what works, what doesn't, and when to seek professional support.

Learn what electrolytes are, why your body needs them, and how to get enough through food and daily habits.