ScienceInsights

A TIA is a brief disruption of blood flow to the brain that clears up on its own — but it's still a medical emergency that needs prompt attention.

A 101°F fever is mild for most adults and usually manageable at home. Learn what your body is doing, how long fevers last, and when to see a doctor.

Research shows most people stay sexually active well into their 70s and beyond. Here's what actually shapes sex drive and satisfaction as you age.

A stuffy nose usually clears in 7–10 days, but inflammation, allergies, or nasal sprays can keep it around longer than expected.

Recovery times vary widely between viral infections. Learn how long common colds, flu, COVID-19, and other viruses typically last and what affects your recovery.

Cataract surgery is generally safe, but it comes with real risks like dry eye, blurry vision, and secondary cataracts that are worth knowing beforehand.

Women's cortisol responds differently to stress, diet, and exercise. Here's what the research says about keeping it balanced naturally.

From creams to laser treatments, here's what the evidence says about fading age spots safely and effectively.

Aloe vera juice has some real benefits for digestion and blood sugar, but the evidence is mixed and certain forms carry health risks worth knowing about.

BUN measures waste from protein breakdown in your blood. Learn what high or low levels mean for kidney health and what else can affect your results.