Your brain on chocolate
Did you know that places where chocolate consumption is highest have the most Nobel Prize recipients? It’s true, at least according to a 2012 study published in the New England Journal of Medicine. Of course, that could be a coincidence. But is it possible that intelligence or other measures of high brain function are actually […]
Many adults don’t get the amount of vitamin D they should
DEAR MAYO CLINIC: I have heard different recommendations from different sources regarding vitamin D. One doctor told my husband that everyone living in the Northern Hemisphere should take a vitamin D supplement every day, even in the summer. What do you recommend? ANSWER: Understanding how much vitamin D you need can be confusing because there […]
For people with multiple sclerosis, can exercise change the brain?
Multiple sclerosis (MS) is a condition of unknown cause in which the covering lining of nerve fibers (called myelin) is damaged. Myelin is like insulation on a wire — when it is damaged, nerve impulses are not transmitted properly. This leads to an array of symptoms including weakness, vision problems, numbness, tingling and poor coordination […]
New shingles vaccine offers more protection
The Medicine Cabinet: Ask the Harvard Experts Q: I recently read that the new shingles vaccine might be better than the older vaccine. I did have one shot of the older vaccine about seven years ago. Should I get this new one? A: Shingles is caused by the same virus — the varicella zoster […]