People with Down syndrome have 47 chromosomes instead of 46. Learn why that extra chromosome occurs, how it's detected, and what it means in daily life.
Suicide rates vary widely by country, shaped by poverty, culture, and method access. See which nations rank highest and what's really driving the numbers.
Most pinched nerves in the neck heal with rest, gentle exercises, and a few simple home adjustments. Here's what actually helps and when to see a doctor.