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Does Coffee Dehydrate You During Exercise?
In today’s edition of Dear Mark, I cover a topic near and dear to many of your hearts: caffeine. But I don’t just cover caffeine; I explore whether caffeine truly does act as a diuretic, especially during exercise, and whether or not caffeine can actually be helpful to athletic performance. Should we all be downing [...]
Water: How much should you drink every day?
How much water should you drink each day? It’s a simple question with no easy answers. Studies have produced varying recommendations over the years, but in truth, your water needs depend on many factors, including your health, how active you are and where you live. Although no single formula fits everyone, knowing more about your [...]
In-Your-Face Fitness: Dumbbells can make you brainy
Voss and her team examined more than 100 studies on the topic and discovered some interesting things. Here’s one: The brain benefits of resistance training (such as lifting weights) seem to differ from those you get from aerobic exercise. “Aerobic exercise improves ability to coordinate multiple things, long-term planning and your ability to stay on [...]
High calorie intake linked to mild memory loss in elderly
Older people who consumed more than 2,143 calories a day had more than double the risk of a type of memory loss called mild cognitive impairment compared to those who ate fewer than 1,500 calories a day, according to a study being released Sunday by the American Academy of Neurology on its website (aan.com). The [...]
About one-third of patients told by doctors to exercise
If there is a magic “pill” in medicine, it is exercise. Working out regularly is associated with a broad spectrum of health improvements, including cardiac, bone, brain and lungs. But a new study shows that only one in three U.S. adults is asked about his or her exercise habits by a physician. To continue reading [...]
