Knowledge and research / Medicine and health
Medical foundations
This subarea is intended for posts on anatomy, physiology and fundamental disease processes. It puts medical terms and connections into context.
Posts
Are Heart Muscle Cells as Old as We Are?
A person's age does not directly reveal how old their cells are. For heart muscle cells, this can be estimated using an unusual historical trace: carbon-14 in DNA. For healthy hearts, the answer from the studies considered here is: most of them nearly are, but not all.