Trans Fats

New studies add to these fats' image problem

By Jessica Gorman, 15:48 PM April 15, 2008

Supermarkets are stocked with enough varieties of butter, margarine, and spreads to give a shopper pause. It's no small task to decipher which sticks and tubs contain which types of fat—and which fats are best for your health.

The skinny on fat keeps changing. Whereas nutritionists first differentiated between just a couple types of fats, a subcategory of the forms that seemed less harmful later came to be seen as risky, after all (SN: 5/21/94, p. 325). Over the past several years, evidence h...

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