ScienceInsights

Dry scalp can stem from washing habits, weather, diet, skin conditions, and more. Learn what's behind the itch and flaking.

Maintenance calories are the amount you need to eat to stay at your current weight. Learn how to estimate yours and why it changes over time.

BV is treatable with antibiotics, but it often comes back. Learn what actually works, why recurrence happens, and how to lower your risk.

Dust itself isn't the allergen — tiny particles like dust mites and mold spores are. Learn what triggers symptoms and how to manage them at home.

Blood plasma is mostly water, but it carries proteins, electrolytes, hormones, and more that keep your body running smoothly.

Low LH can affect fertility, energy, and hormonal health. Learn what causes it—from stress to pituitary conditions—and how it's treated.

Bronchitis is usually caused by viruses and can spread person to person. Learn what raises your risk and simple steps to help prevent it.

Babies cry most around 2 months due to their developing nervous system. Learn what different cries mean and when to call your pediatrician.

Covert emotional abuse is subtle and easy to miss. Learn what it looks like, how it feels, and what it can do to your mental health over time.