1+ week, 2+ day ago   (789+ words) We tend to think of aging as something that happens gradually to the entire body at once. But a new study suggests our organs and tissues may be following very different clocks, with some going through periods of rapid change…...

2+ week, 13+ hour ago   (444+ words) For years, people with atrial fibrillation have often been cautious about coffee. The reasoning seems straightforward: caffeine is a stimulant, AFib involves an abnormal heart rhythm, so drinking something that can make your heart beat faster sounds like a questionable…...

2+ week, 1+ day ago   (540+ words) For many people with PTSD, going to sleep doesn’t necessarily mean escaping the trauma. Nightmares can bring it back night after night, sometimes vividly enough to wake someone in panic and make sleep itself something to fear. These nightmares are…...