50 years ago, margarine’s ‘healthy’ reputation began to melt away

Excerpt from the April 20, 1974 issue of Science News

Photo of margarine

Before artificial trans fats were banned from the U.S. food supply in 2018, foods such as margarine (shown) had high amounts of trans fat that posed a risk to heart health.

Scott Olson/Getty Images

Orange 'Science News' magazine from April 20, 1974

Margarine and your heart Science News, April 20, 1974

Hardening of the arteries­ causes 90 percent of all heart disease….