Fox Newsflipped into HealthExercise is good for your brain, as long as you don't skip too many workouts: studyverified_publisherFox News - By Michael HarthorneThink it's OK to take a week off from working out? Think again ... if you even can. A study published last month in Frontiers in Aging Neuroscience finds the benefits of exercise on the brain can fade after just 10 days. Previous studies have shown that exercise increases blood flow to the brain, …