“Biologic” age, a DNA-based estimate of a person’s age, is linked to future development of breast cancer, according to scientists at the National Institutes of Health (NIH). Biologic age was determined by measuring DNA methylation, a chemical modification to DNA that is part of the normal aging process. The scientists’ study, published online Feb. 22,… Continue reading Older “Biologic” Age Linked to Elevated Breast Cancer Risk