A brief history of bariatric surgery

In the starting era of weight loss surgery began with the intestinal bypass. This surgical procedure shortened the length of the small intestine. The intestines absorb calories and macro nutrients. And if this area was shortened then there would be less absorption of...

What methods measure body fat?

BMI is a calculated value and approximates the body’s fat percentage. Actually measuring a person’s body fat percentage is not easy and is often inaccurate without careful monitoring of the methods. The following methods require special equipment, trained...

What causes obesity?

The balance between calorie intake and energy expenditure determines a person’s weight. If a person eats more calories than he or she burns (metabolizes), the person gains weight (the body will store the excess energy as fat). If a person eats fewer calories...

How common is obesity?

Obesity is not just a cosmetic consideration; it is harmful to one’s health as it is a risk factor for many conditions. Patients with a BMI over 40 have a reduced life expectancy. Obesity also increases the risk of developing a number of chronic diseases,...