AdvertisementEat Plants And Prosper: For Longevity, Go Easy On The Meat, Study SaysMarch 05, 2014Allison AubreyfacebookEmailA new study linking animal protein-rich diets to increased mortality in middle age adds fuel to the controversy over how much protein — and from what sources — is ideal for health. One thing that seems pretty clear: It doesn't hurt to go heavy on the greens. (iStockphoto)