Almost half of all deaths from heart disease & diabetes linked to diet: JAMA study by WhatsBehindTheDots 11 April 2017 11 April 2017 Omega-3s from seafood, fruits, nuts, vegetables, and whole grains are among the 10 dietary factors associated with an estimated 45% of all cardiometabolic deaths in the US, says a new study. Click here to read the full article.