eat less, breath more, intermittent fasting, regular exercise are some of the factors that help in longevity. eating more than necessary increases aging in humans. adding extra food does help humans & we don't see lindy effect. whereas eating less or sufficient maybe the key to help increase life span. there maybe a  corelation in high among high food consumption and decreased life span. also this the tweet you might wanna check out https://twitter.com/Mangan150/status/1014209536201146368