Free radicals are formed as a result of cellular respiratory processes, but may also derive from UV exposure, unhealthy diet, cigarette smoke, polluted air, or inflammatory processes. They have been associated with a variety of common health disorders such as cardio-circulatory dysfunction, chronic inflammation, and more complex events such as rapid aging. Oxidative stress is a pathological condition of imbalance between a number of free radicals that are formed in our cells and antioxidant mechanisms, which naturally occur. Oxidative stress is a direct consequence of the action exerted by harmful free radicals on the body's cells and tissues. If not balanced adequately by the immune system, it may lead to cellular degeneration, neurological damage, premature aging, skin imperfections, and diseases. Chronic fatigue, memory loss, and difficulty in concentration may represent the first signs of oxidative stress.
Articles in this section
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