ScienceInsights

Blood sugar below 70 mg/dL signals hypoglycemia in diabetics. Learn the warning signs, common causes, and how to treat lows safely.

Over 100,000 people in the U.S. are waiting for an organ transplant, with wait times, racial disparities, and global shortages making the gap harder to close.

Learn when pregnancy tests actually work, why early results can mislead, and the realistic timeline for getting an accurate answer.

Hand tremors have many possible causes, from caffeine and stress to essential tremor and Parkinson's. Learn what different shaking patterns can mean.

Learn how heart stent placement works, from prep and artery access to recovery and the medications you'll likely need afterward.

Most people remember little before age 3, but what's typical beyond that? Learn what normal childhood recall looks like and when memory gaps are worth noting.

A 118/68 blood pressure reading falls within the normal range, but age, accuracy, and trends over time all factor into what it means for your health.

Babies under 3 months should spend no more than 2 hours in a car seat at a time. Here's why it matters and how to manage longer trips safely.

Vaginal dryness and itching have several common causes, from low estrogen to infections and everyday products. Here's what might be behind it and how to find relief.

At 9 months, babies only need a few sips of water daily. Learn how much is safe, when to offer it, and signs your baby is staying hydrated.