Caloric restriction in animals has been shown to

Caloric restriction in animals have been shown to R.ETARD AGING AND TO EXTEND LIFE SPAN.
Various research studies have shown that overeating shorten life span while reduce caloric intake r.etard aging and extends life span. In animal study, it has been shown that calorific restriction makes animals to live longer.

This is a time line from 685 to 978

Ibelieve its b but u might have to