The Obesity Society

The Obesity Society (TOS) is the leading professional society dedicated to better understanding, preventing and treating obesity. Through research, education and advocacy, TOS is committed to improving the lives of those affected by this serious, chronic disease.

The Society has more than 2,500 members, including researchers, healthcare providers and others working in obesity science, treatment and prevention.

TOS publishes two journals, including the leading peer-reviewed scientific journal in the field, Obesity, and an open-access journal, Obesity Science & Practice.

The Society's annual meeting, ObesityWeek‚Ą† (, is cohosted with the American Society for Metabolic and Bariatric Surgery (ASMBS) and brings in more than 5,000 obesity professionals. ObesityWeek is the premier annual scientific and educational conference bringing together the world's experts in obesity research, treatment and prevention - from clinicians and surgeons to educators and policymakers.

TOS is engaged in many other efforts to serve our members and the field, including our nearly 50 grants and awards, weekly news distribution through our eNews, political advocacy and clinical education.

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Non Profit

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