ScienceInsights

Diagnosing type 1 diabetes involves more than a blood sugar test. Learn which tests doctors use to confirm it and how the process unfolds.

Your iris does more than give your eyes color — it controls light, shapes vision, and is even unique enough to identify you.

Plaque buildup in arteries begins earlier than expected. Learn what it's made of, why some plaques are more dangerous, and what can actually slow or reverse it.

Lower left abdominal pain often comes from the colon, kidneys, or reproductive organs. Learn what's back there and what might be causing your discomfort.

Watery diarrhea can stem from infections, food intolerances, or chronic conditions. Learn what causes it, how to stay hydrated, and when to see a doctor.

Find out which foods ease acid reflux symptoms and which ones make them worse, plus simple tips on meal timing and portions.

Yellow discharge with itching often signals an infection that needs a doctor's diagnosis — not an OTC yeast treatment. Here's what's likely causing it.

Alcohol bloat in your face and stomach usually clears within a few days. Here's how to speed up recovery and prevent it next time.

Head & Shoulders got a formula change after the EU banned zinc pyrithione. Here's what's in it now and what the research says about side effects.

Low magnesium can cause muscle cramps, mood changes, and heart issues. Learn the key symptoms and who's most at risk for deficiency.