Want to know how much body fat you have but don’t want to schedule a special test or buy an expensive scale? Try the body adiposity index, which is based on a new formula from the University of Southern California.
A good night’s sleep is crucial to storing knowledge learned earlier in the day — that much has been known. Now, a new study finds that getting shut-eye before you learn is important, too.
Volunteers who took a 100-minute nap before launching into an evening memorization task scored an average of 20 percentage points higher on the memory test compared with people who did the memorization without snoozing first.