Free radicals are created as a normal part of metabolism, as the body turns food into energy. We have cellular repair mechanisms that can neutralize them, but there are other factors putting a terrible strain on the system—the environment and our lifestyle. Many environmental factors that stimulate free radical production in our bodies include: exposure to UV rays, radiation, cigarette smoke, automobile exhaust and pesticides. We also cause free radical damage by not getting enough rest or sleep, not managing our stress responses, and not eating healthfully.
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