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Bariatrics
Bariatrics is the field of medicine that is concerned with the
causes, prevention, control, and treatment of obesity and
diseases related to diseases (e.g., high blood pressure,
diabetes mellitus). Obesity is an abnormal increase in the
amount of fat cells in the body compared to the amount of
other types of cells. The term “bariatric” is most frequently
used in reference to bariatric surgery, which is another
way to say weight-loss surgery. This involves reducing the
stomach size, removing a part of the stomach, or removing
and re-directing  the small intestine to a small stomach
pouch. The latter is referred to as gastric bypass surgery.
The small intestine is the part of the intestine that takes in
all of the nutrients that the body needs.
Bariatric doctor meets with a
patient to discuss treatment.
 
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In addition to weight-loss surgery, bariatrics also involves teaching patients how to lose
weight via diet and exercise, psychological techniques, or use of medications. Bariatric
surgery is typically reserved for patients in whom non-surgical treatments have not
worked.  Failed non-surgical obesity treatment is most common in severe obesity, where
surgical treatment is more likely to lead to greater weight loss, better health outcomes,
and improved quality of life. Bariatric means pertaining to bariatics.

Bariatrics comes from the Greek word "baros" meaning "weight" and the "iatros" meaning
"physician." Put the words together and you get "weight physician."

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