A recent study by researchers at Western University in Canada found that the more egg yolks people ate, the thicker their artery walls became an indicator of heart disease risk and that the effect was almost as bad as from smoking cigarettes.

A recent study by researchers at Western University in Canada found that the more egg yolks people ate, the thicker their artery walls became an indicator of heart disease risk and that the effect was almost as bad as from smoking cigarettes.