ScienceInsights

Simple daily habits that keep your feet healthy, from choosing well-fitting shoes to spotting early signs of circulation issues.

Cold sore swelling is your immune system at work. Learn why it happens, how long it lasts, and simple ways to bring it down faster.

Oral thrush patches can be scraped off, which actually helps doctors diagnose it. Learn what that means for treatment and whether you should try it yourself.

If your headache won't quit after taking medicine, the reason could be anything from timing and dosage to dehydration or medication overuse.

Sodium erythorbate keeps cured meats fresh and colorful. Learn what it does, where it appears on labels, and whether it's safe to eat.

Online depression screenings can be a useful starting point, but they miss key factors only a clinician can assess, like bipolar disorder and medical causes.

Your brain locates pain through a mapped network of nerves, though internal organs can blur the signal — here's how it all works.

Gym class does more than keep kids active. It supports brain function, mental health, social skills, and habits that carry into adulthood.

Hair flares out when moisture disrupts the cuticle layer. Learn what's really causing it and practical ways to keep your hair smooth and manageable.