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What are some symptoms of oxidative stress?

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Some signs of oxidative stress in the body include fatigue, memory loss, muscle and joint pain, decreased eye sight, and headaches, according to Dr. Donielle Wilson, ND, CPM, CNS. Sensitivity to noise, susceptibility to infections, brain fog and signs of aging, such as wrinkles, grey hair and arthritis, may also indicate oxidative stress.

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The body naturally undergoes oxidation when cells use oxygen to create energy, when the immune system causes inflammation while battling bacteria, and when pollutants, pesticides and cigarette smoke detoxify from the body, resulting in the production of free radicals, explains Dr. Doni Wilson. Free radicals also exist naturally in the body and are necessary to a certain degree to stimulate repairs on a cellular level. However, free radicals also cause damage to cells, mitochondria and DNA. Too many free radicals in the body result in an inundation of the repair process, and when this occurs, it is called oxidative stress.

While not the sole factor, oxidative stress is thought to play an important role in causing certain diseases, such as Lou Gehrig's disease, chronic fatigue syndrome, Alzheimer's disease, cardiovascular disease and some types of cancer, according to Los Angeles Integrative Gastroenterology & Nutrition. The relationship between these diseases and oxidative stress is not well understood. One key method of fighting oxidative stress in the body is the consumption of antioxidants, which counteract free radicals.

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