Oxidative Stress
Oxidative stress is caused by an excessive level of free radicals in the body. These molecules may easily interact with other molecules in the body and lead to DNA damages in the cells. Smoking may increase the release of free radicals, thus causing oxidative stress. Other possible causes of oxidative stress may include ultraviolet rays, radiation, and pollution. A recent study has shown that people with balding scalps can be especially sensitive to damage in the hair follicles due to oxidative stress. [3]
