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sopmit sopmit
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6 years ago
Beta-endorphins are:
 
  1. Relaxants released by the brain in response to exercise
  2. Stimulants that permit the athlete to summon maximum effort
  3. Natural sedatives occurring in certain pleasurable foods
  4. Enzymes necessary to the optimal metabolism and utilization of energy
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wrote...
6 years ago
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sopmit Author
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6 years ago
Thanks
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