The best lab-grown diamonds are from retailers with stellar reputations and a stunning array to pick from: Blue Nile tops our list for 2026. To determine the best places to buy lab-grown diamonds, we ...

Scientists at Stanford Medicine have discovered a treatment that can reverse cartilage loss in aging joints and even prevent arthritis after knee injuries. By blocking a protein linked to aging, the ...

The class of anti-inflammatory drugs known as TNF-inhibitors has brought relief to many sufferers of rheumatoid arthritis, but they don't work for up to 4 of every 10 patients. New research led by ...

Why the EPA’s air pollution rule change could make the air dirtier, how cancer survival hit a record-high, and what we know about the first-ever medical evacuation from the International Space Station ...