ScienceInsights

Prozac affects serotonin levels to ease depression and anxiety, but it comes with side effects worth knowing before you start or stop taking it.

Leg cramps are painful but usually harmless. Learn what actually helps in the moment, what causes them, and how to keep them from coming back.

Blood in stool can look different depending on the cause—and some foods can mimic it. Learn what to look for, common causes, and when to call a doctor.

Relieve upper back pain at home with ice, heat, gentle exercises, and posture fixes — plus signs it's time to see a doctor.

Learn which HSV-2 tests work with or without symptoms, what your results actually mean, and how to get tested even if your doctor doesn't bring it up.

Practical ways to drink less alcohol, from tracking your habits and setting clear limits to handling social pressure and what to expect as you cut back.

Learn how timing, duration, and a few simple habits can help you wake up from a nap feeling refreshed instead of foggy.

The U.S. tracks 9 major food allergens, the EU tracks 14, but the real number goes well beyond any official list.

Practical ways to ease chronic neck pain at home, from targeted exercises and heat therapy to pillow setup and workspace fixes.

Certain foods like legumes, berries, and fatty fish can help keep blood sugar steady. Here's what the science says and how to eat more of them.