You’re lying on an operating table. A doctor injects a milky white liquid into your veins. Within a minute, your breathing slows, your face relaxes, and you remain limp when asked to squeeze a hand.
Many health-conscious people believe they can compensate for a lack of sleep with a perfect diet or extreme exercise. However, sleep seems to affect brain aging—independent of factors like high blood ...
Have you ever grabbed something falling off a shelf before you even knew you were doing it? You didn't think about it. You ...