ScienceInsights

Blood in stool can look bright red, dark maroon, or black depending on where the bleeding originates and what's causing it.

Itchy eyes are usually manageable at home. Learn which eye drops actually help, when to try a cold compress, and how to tell if it's time to see a doctor.

From stress reduction to prescription options, here's what science actually says about inducing your period and what's just myth.

A medial meniscus tear can cause knee pain, swelling, and stiffness. Learn what causes it, how it's diagnosed, and whether you need surgery or rest to recover.

Static stretching before exercise may not prevent injuries and can reduce performance. Here's what the research says and what to do instead.

Steak calories vary widely by cut, portion, and how it's cooked. Here's what actually affects the numbers on your plate.

Most sinus infections clear up in 7–10 days, but bacterial and chronic cases can last much longer. Here's what to expect and when to see a doctor.

High cholesterol can stem from diet, genetics, hormones, stress, or even medications—often several factors at once.

Blue light glasses are popular, but the science behind them is weaker than you'd think. Here's what's actually straining your eyes.

Broccoli has about 31 calories per cup raw. Here's how cooking, serving size, and stalks vs. florets affect the count, plus what nutrients you get.