The body's control organ undergoes four major transitions during a lifetime, with 'adolescence' lasting more than two decades ...

For most of human history, it was thought that the brain essentially shuts down during sleep - but scientists now know it’s quite active. Experts divide sleep into two general phases: non-REM sleep ...

Some say that out of all the objects in the universe, the human brain is the most complex. Much of what makes us uniquely human — our emotions, memories, consciousness — stems from this 3-pound organ, ...

During sleep, your body cycles through 4 stages and 2 phases, all of which contribute to your overall health. Quality sleep is important for your memory, immune system, muscles, and more. Sleep is one ...

Although Michelangelo's masterpiece David captured the magnificence of the human body - how this exquisite body plan is exactly established during human development has puzzled scientists for more ...

During sleep, the body goes through multiple sleep cycles. Each cycle consists of four stages: three stages of non-rapid eye movement (non-REM) sleep and one stage of rapid eye movement (REM) sleep. A ...

For most of human history, it was thought that the brain essentially shuts down during sleep - but scientists now know it’s quite active. Experts divide sleep into two general phases: non-REM sleep ...