Spider veins form when vein valves weaken, but hormones, weight, and pregnancy play a role too. Learn what's behind them and when they're worth a doctor's visit.
Around 10% of adults worldwide have diabetes, but nearly half don't know it. Here's what the latest numbers reveal about who's affected and why cases keep climbing.
Brain fog in seniors often has treatable causes like medications, infections, or vitamin deficiencies. Learn what's behind fuzzy thinking and when to see a doctor.