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At about the time most of this country was in the "pick a winner" election frame of mind, I received a newsletter from the National Association of Margarine Manufacturers, entitled "Margarine Matters."
The lead story's subtitle read, "When it comes to the margarine versus butter debate, margarine is definitely the winner." Well, not only is that not accurate, but the margarine industry has not told the whole story. Let's take a look at what they didn't discuss.
1993 (Lancet). In this study of 85,095 healthy participants in the Nurses' Health Study, the strongest association between fats and coronary heart disease (CHD) was for people who had eaten vegetable-oil margarine over the past 10 years. The link to saturated fat consumption was non-significant.
1994 (Circulation). Here, researchers looked at 239 patients admitted to hospitals in the Boston area. The results? The consumption of vegetable-off margarine was very significantly associated with risk of heart attack. The consumption of saturated fat was non-significant.
1997 (American Journal of Epidemiology). In this group of 21,930 men (aged 50-69) in the Finnish Alpha-Tocopherol Beta-Carotene Cancer Prevention Study, there was a significant association between trans-fat foods (e.g., margarine) and the risk of coronary death. There was no association to either intake of saturated fat or dietary cholesterol.
1997 (American Journal of Clinical Nutrition). In this review, the authors say: "In the past 5 years, a series of metabolic studies has provided unequivocal evidence that trans fatty acids" increase bad, or LDL, cholesterol, and reduce good, or HDL, cholesterol. On the basis of these studies, the researchers say: "We estimate conservatively that 30,000 premature deaths a year in the U.S. are attributable to the consumption of trans fatty acids," with margarine the leading dietary ...