ScienceInsights

Uncertainty isn't quite an emotion, but it's not just a thought either. Here's what it actually is and why the distinction matters for managing anxiety.

Eight research-backed ways to calm stress quickly, from a specific breathing pattern to cold water and dark chocolate.

Your gut microbiome can shift with simple daily habits like eating more fiber, moving your body, and sleeping consistently.

Foot fungus is common and treatable. Learn what works, when to see a doctor, and how to stop it from coming back.

Feeling drowsy all day? From sleep apnea to thyroid issues, learn what's behind excessive sleepiness and what you can actually do about it.

Carbohydrates fuel your brain, muscles, and gut health. Learn why cutting them out entirely may do more harm than good.

Fetus in fetu is a rare condition where a malformed twin develops inside another person's body. Learn how it happens, how it's diagnosed, and how it's treated.

Learn what VO2 max measures, how your number compares by age and sex, and practical ways to test and improve it for better long-term health.

Follicular lymphoma often causes painless swollen lymph nodes, fatigue, and night sweats — but symptoms can be subtle or slow to appear.

Repetition compulsion can quietly shape your relationships and choices. Learn why it happens and how therapy can help you break the cycle.