Entering REM sleep unusually fast can signal sleep debt, depression, narcolepsy, or other underlying issues. Here's what your sleep timing might be telling you.
Pseudologia fantastica is compulsive lying that goes beyond ordinary dishonesty. Learn what drives it, how it's recognized, and why it's hard to treat.
Argentina has no alligators, but it's home to two caiman species. Learn where they live, how they've recovered from hunting, and how they survive the climate.
Sulfonylureas help the pancreas release more insulin to manage type 2 diabetes. Learn how they work, common options, side effects, and when they're used.