What Happened to Heart Disease in the 1930s?

In 1900, 12 and a half percent of deaths in the United States were due to heart disease. In 1912, John Herrick published the first known case of heart attack in the U.S., documented with autopsy evidence. By 2010, 32.3% of deaths are due to coronary artery disease; one out of three people are dying from heart disease. So what happened? It goes back to those primarily the seed oils.