Summary: Here’s what researchers have discovered about stopping the destruction caused by free radicals, including DNA damage, macromolecular damage, and damage to mitochondrial DNA. [This article first appeared on the website LongevityFacts and was updated on February 23, 2018. Author: Brady Hartman. ] Scientists widely believe that DNA damage and macromolecular damage caused by free radicals generated by our mitochondria is the principal cause of … Continue reading How Free Radicals Damage Our Bodies