Gastric bypass surgery is safe and effective for obese teenagers

"The rates of teen diabetes dropped from 16 to 2 percent, while high cholesterol and hypertension rates fell 52 and 31 percent respectively. On hindsight, 39 patients suffered from low levels of vitamin D, and 25 suffered from mild anemia. Researchers suggest that these side effects may come from the reduced food consumption and the inability of their digestive tract to absorb all the nutrients."