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Michael Greger, M.D.

Director, Public Health and Animal Agriculture

The Humane Society of the United States

  • The HSUS

Dr. Michael Greger is director of Public Health and Animal Agriculture for The HSUS and Humane Society International.

A physician specializing in clinical nutrition, Greger focuses his work on the human health implications of intensive animal agriculture, including the routine use of non-therapeutic antibiotics and growth hormones in animals raised for food, and the public health threats of industrial factory farms.

He also works on food safety issues, such as bovine spongiform encephalopathy (mad cow disease), and plays a role in The HSUS's efforts to analyze and shape public policy on agriculture and nutrition.

See Dr. Greger's schedule of public speaking events »

Greger has been an invited lecturer at universities, medical schools, and conferences worldwide. He is the author of Heart Failure: Diary of a Third-Year Medical Student (2000), Carbophobia: The Scary Truth About America's Low-Carb Craze (2005), and Bird Flu: A Virus of Our Own Hatching (2006).

In 2009 he produced a video with tips for avoiding swine flu. In 2011 he launched NutritionFacts.org to profile the latest news in nutrition research.

Greger is a graduate of the Cornell University School of Agriculture and the Tufts University School of Medicine.

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