Aging, the slow decline of function over time, is considered to be an inevitable fact of the human condition. As cells divide and reproduce in our bodies, they gradually deteriorate, and our mental and physical health declines as a result. But there may be a way to not only delay that cellular degeneration, but reverse it, according to a study published November 18 in the Journal of Aging. This could potentially one day help prevent age-related illnesses like cancer, diabetes, and dementia. The study found that a special oxygen treatment appeared to improve two key markers of biological aging. Following...