Modern studies do not show any association between saturated fat and higher risk of death for any reason (cardiovascular disease, heart attack, stroke, etc.) but they do show up to a 34% increase in death associated with unsaturated industrial plant oil-based fats such as margarine.      http://www.telegraph.co.uk/science/2016/03/15/butter-unlikely-to-harm-health-but-margarine-could-be-deadly/