Other times, free radicals can cause genetic mutations that eventually lead to diseases such as arthritis and even cancer. (petconsider.com)
It can also lead to diseases like cancer, and can damage your DNA. (articles.mercola.com)
But it is not easy to show that such mutations lead to disease in the offspring of either experimental animals or people because any cases of cancer or other illnesses would be rare. (sciencemag.org)