instruction: Please list a few of the professional organizations that Judith Stern participated in during her career.
output: Some of the professional organizations that Judith Stern created or participated in are the National Academy of Medicine, the Obesity Society, and the American Society for Clinical Nutrition.
input: In 1974, Judith Stern joined the faculty of the University of California, Davis as an assistant professor in the Department of Nutrition. There her early research centered on differences in the adipose tissue of obese individuals – using Zucker rats as a research model. Eventually her research program grew to include human studies, focused on various obesity treatment regimens.
  
  In 1995, Stern was elected to the National Academy of Medicine. At various points she was elected president of the NAASO (1992–1993, now The Obesity Society) and the American Society for Clinical Nutrition. Stern co-founded the American Obesity Association, an advocacy group that lobbied in favor of obesity research and treatment.