A study done by the Harvard School of Public Health and published in the New England Journal of Medicine found 
that being overweight and obese was the single most important risk factor that predicated who would develop type 2 diabetes. In this column, we profile Ellen Swallow Richards, an early advocate of a healthy lifestyle for women, Jenny Craig, who co-founded the weight loss and nutritional food company that bears her name, and Bernadine Healy, a cardiologist and the first woman to lead the National Institutes of Health.
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