Does Exercise Help the Brain?

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Lets all go for a run: does exercise really help the brain?

Should I go run a marathon, join a yoga class, or head off to the gym? Is it really worth the time and effort? Afterall, sitting down and watching television can seem just as appealing. Why even bother working out? The reasons to work out may be greater than you think. Physical activity can make you feel good, keep you in shape, keep you healthy, but now researchers also are finding biological evidence that exercise benefits specific brain mechanisms. Just as exercise improves muscle tone and function, it may also have similar effects on the brain.

Some people have thought that exercise positively affects the brain as well as the body. Preliminary evidence suggests that physically active people have lower rates of anxiety and depression than sedentary people do (2). It seems logical that an active lifestyle would help the brain. However, the scientific observations were lacking. Now several biological studies indicate that working out does benefit the brain. This new insight may point more towards the notion that exercise has overall health benefits and also may lead to specialized physical activity programs for patients (1). Exercise may improve mental health by helping the brain cope better with stress, according to research into the effect of exercise on neurochemicals involved in the body's stress response (2). These findings come from animal as well as human studies and are leading to a better understanding of the overall health rewards of exercise and heightened support for exercise regimens that could aid recovery from a wide range of illnesses. Furthermore, the ongoing research indicates that specialized exercise regimens may help repair damaged or aged b...

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...fers,American Psychological Association

http://helping.apa.org/daily/neurala.html

3)Jogging May Make You Smarter, Study Says , Reuters Health

http://nootropics.com/exercise/index.html

4)Running increases cell proliferation and neurogenesis in the adult mouse dentate gyrus , National Neuroscience 1999 Mar; 2(3):266-70

http://nootropics.com/neurogenesis/

5)Mental exercise keeps the brain in motion, Canadian Press News Article, Health News, Tuesday, May 18, 1999

http://www.canoe.ca/Health9905/18_fitness.html

6)Exercise and Your Brain , Southwestern Medical Center

http://www4.utsouthwestern.edu/library/consumer/brainXrcise.htm

7)Exercise 'could halt mental decline' , BBC News, Tuesday, 16 January, 2001

http://news.bbc.co.uk/1/hi/health/1118603.stm

8)Exercise For Your Brain's Sake , Scientific American News

http://www.sciam.com/missing.cfm

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