Cancer incidence peaks around age 80 then declines, which may be due to a slowdown of cell division in old age. Reduced cellular replication means fewer cancerous mutations will form and spread.

A protein in immune cells has been found to contribute to cardiovascular disease, which may pave the way for new treatment therapies. The protein, TRIB1, led to a buildup of fat deposits in arteries.

A compound found only in avocados, avocatin B (AvoB) is found to inhibit cellular processes that lead to diabetes. Mice with AvoB added to high-fat diets weighed less and showed greater insulin sensitivity.

In China, those who retired earlier had lower scores on cognitive tests of delayed recall. This promotes the hypothesis that decreased mental activity or sense of purpose can lead to cognitive decline.