Learn While You Sleep
Students really should get a good night's sleep after cramming for an exam. Sleep consolidates memories, say researchers who measured the brain activity of sleepers who had just learned a new skill. What you learn while you're awake, the researchers hypothesize, is altered, restructured, and strengthened during sleep.
Not All Juices are Created Equal
Taking grapefruit juice with popular cholesterol-lowering drugs such as Zocor and Lipitor can increase the risk of potentially life-threatening muscle toxicity, according to British regulators. Grapefruit juice contains a chemical that inhibits metabolism of certain drugs, leading to excessively high levels of medicine in the blood.