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Obesity

Obesity means having too much body fat. It is not the same as being overweight, which means weighing too much. A person may be overweight from extra muscle, bone, or water, as well as from having too much fat.

Programs + Services


Clinical Nutrition

The Division of Clinical Nutrition at Tufts Medical Center provides inpatient and outpatient nutritional services.
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Weight and Wellness Center

The Weight and Wellness Center at Tufts Medical Center offers a top weight loss program that includes surgical and medical weight loss options to patients.
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Diabetes Center

The Diabetes Center in downtown Boston provides a full range of services for the diagnosis and management of diabetes and its complications with an emphasis on prevention.
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Medical Weight Loss

Learn about medical, nutritional and lifestyle changes to assist with long-term weight loss through the Medical Weight Loss Program at Tufts Medical Center.
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Surgical Weight Loss

Learn about surgical options for weight loss such as gastric bypass, sleeve gastrectomy and gastric band from the team at Tufts Medical Center.
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Doctors + Care Team

Edward Saltzman, MD

Edward Saltzman, MD

Title(s): Chief, Division of Clinical Nutrition; Director, Adult Nutrition Support Services; Associate Professor, Tufts University School of Medicine; Dean for Education, Friedman School of Nutrition Science and Policy, Tufts University
Department(s): Medicine, Clinical Nutrition
Appt. Phone:
Fax #:

Enteral and parenteral nutrition

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Sajani N. Shah, MD

Sajani N. Shah, MD

Title(s): Surgeon; Assistant Professor, Tufts University School of Medicine
Department(s): Surgery, Bariatric and Minimally Invasive Surgery, General Surgery
Appt. Phone: 617-636-6093
Fax #: 617-636-9095

General surgery, laparoscopic surgery, obesity surgery, trauma surgery

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Anastassios G. Pittas, MD, MS

Anastassios G. Pittas, MD, MS

Title(s): Co-Director, Diabetes and Lipid Center; Professor, Tufts University School of Medicine
Department(s): Medicine, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-636-5689
Fax #: 617-636-4719

Endocrinology, diabetes, pre-diabetes, vitamin D deficiency

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Andrew S. Greenberg, MD

Andrew S. Greenberg, MD

Title(s): Endocrinologist; Dr. Robert and Veronica Atkins Professor in Metabolism and Nutrition, Tufts University School of Medicine
Department(s): Medicine, Clinical Nutrition, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-556-3144
Fax #: 617-556-3224

Obesity, lipid disorders, diabetes, general endocrinology

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Joel B. Mason, MD

Joel B. Mason, MD

Title(s): Gastroenterologist; Professor, Tufts University Schools of Medicine and Friedman School of Nutritional Science and Policy; Senior Scientist and Director, Vitamins and Carcinogenesis Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University
Department(s): Medicine, Clinical Nutrition, Gastroenterology
Appt. Phone: 617-636-5883
Fax #: 617-636-1480

Nutritional aspects of gastrointestinal disease, home nutritional therapy, enteral and parenteral nutrition, nutrition and cancer prevention

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Laura K. Snydman, MD
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Laura K. Snydman, MD

Title(s): Director of Medical Student Clerkships; Primary Care Physician; Associate Professor, Tufts University School of Medicine
Department(s): Medicine, Internal Medicine and Adult Primary Care
Appt. Phone: 617-636-5400
Fax #: 617-636-9712

Internal medicine, adult primary care, medical education, medical weight management

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Michael L. Dansinger, MD, MS

Michael L. Dansinger, MD, MS

Title(s): Internist; Staff Member, Division of Endocrinology, Diabetes and Metabolism; Director, Lifestyle Coaching for Diabetes Weight Loss; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-636-5689
Fax #: 617-636-8107

Lifestyle management of diabetes, heart disease risk factors, obesity, internal medicine

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Michael E. Tarnoff, MD

Michael E. Tarnoff, MD

Title(s): Surgeon; Adjunct Associate Professor, Tufts University School of Medicine
Department(s): Surgery, Bariatric and Minimally Invasive Surgery, General Surgery
Appt. Phone: 617-636-6093
Fax #: 617-636-9095

General surgery, advanced laparoscopic surgery, obesity surgery

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Research + Clinical Trials


Omega-3 Fatty Acids for MDD with High Inflammation: A Personalized Approach

The purpose of this research study is to compare the effects of three different doses of an investigational omega-3 fatty acid dietary supplement, eicosapentaenoic acid (EPA), versus placebo on immune system markers in the blood and on treating the symptoms of major depression. Placebo is a pill that looks like the study drug, but contains no active substance. Eicosapentaenoic acid (EPA) is a common omega-3 fatty acid. EPA is available in low dosages in some types of dietary supplements found in health food stores.

In order to qualify for this study you cannot be taking any antidepressants, and you must have a BMI of >25.

If you qualify, you will be randomly assigned (like the flip of a coin) to the EPA or placebo treatment group. You will have a 25% (1 in 4) chance of being assigned to one of the following groups:

  • Group 1 will receive capsules containing an EPA enriched omega-3 fatty acid preparation for a total dose of 1 g/day.
  • Group 2 will receive capsules containing an EPA enriched omega-3 fatty acid preparation for a total dose of 2 g/day.
  • Group 3 will receive capsules containing an EPA enriched omega-3 fatty acid preparation for a total dose of 4 g/day.
  • Group 4 will receive capsules containing placebo (an inactive substance).

Neither you nor the investigator will know to what group you are assigned. This is to make sure that the research study results are not affected by what you or the investigator may expect to happen.

We will ask you to make 9 visits over the course of 12 weeks to our clinic at MGH. At each visit you will meet with a clinician to fill out a number of questionnaires to monitor your progress and you will also receive study medication for the duration of the study. Blood samples will also be collected six times during this study, twice to determine your eligibility to participate in the study, and 4 times to measure changes in immune markers.

You can receive up to $280 total, if you complete all study visits. If you have to drive to come to MGH, you will also be provided with parking vouchers at all visits for the MGH garages. At the conclusion of the study, you will be offered 3 months of free follow up care with one of the study physicians.


More information about research and clinical trials


Protective Ventilation With Higher Versus Lower PEEP During General Anesthesia for Surgery in Obese Patients

Morbidly obese patients scheduled for abdominal surgery duration at least two hours are randomized in two groups, ventilation with high PEEP and recruitment maneuvers or low PEEP and no recruitment. the incidence of postoperative pulmonary complications as well as intraoperative side effects is recorded.
More information about research and clinical trials

Tufts Medical Center and Floating Hospital for Children have high quality care.

Quality + Safety

A world-class teaching hospital shouldn’t make you feel small.  At Tufts Medical Center the patient is at the center of everything that we do.  This means we’re committed to providing the highest quality of care in a safe, friendly environment.

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200 Years of Caring for the Community

Tufts Medical Center has been taking care of Boston and the surrounding community for more than 200 years.

Read about our enduring history