how do you suppose we got this so wrong? the saturated fat has been the diet culprit of the past 50, 60 years. it goes back to the 1950s where america was in the throes of the heart disease epidemic which had arisen out of nowhere to become the nation s number one killer. president eisenhower had a heart attack in 1955. one of the ideas what caused heart disease was proposed by one scientist who said it was saturated fats. there were other ideas of the time. ansel keys got that idea implanted into the american heart association, the knew tragsal guidelines of the american heart association in 1961. the rest is history. when it became our dietary guidelines it had never been tested. we started replacing fat in food with other things, one of them being sugar. i got a lot more sugar in our foods t would taste terrible if you didn t replace it with something. is it that sugar is worse than