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Results 1 - 3 of 3 for exercise
  1. Imagine you're getting ready to race. The stress you feel makes your brain signal the adrenal glands to produce epinephrine or "adrenaline". Adrenaline ...
  2. ... tubes called ducts. You perspire constantly, even without exercise. Sweat is a liquid made from 99% water ...
  3. ... and vitamin D. In addition, maintaining a regular exercise program as approved by a qualified health care ...