How the body really ages: 7 million cells mapped across 21 organs

From ScienceDaily

Growing older brings a higher risk of serious illnesses such as cancer, heart disease, and dementia. For years, researchers have tackled these conditions individually. Now, many scientists are stepping back to ask a broader question. Instead of treating diseases one by one, could slowing the aging process reduce the risk of several at once? To answer that, they first need to understand what sparks the biological changes that come with age.