PUBLIC MARKS from Newspartnergroup with tag weight-loss

Among people who have undergone so-called bariatric surgery for obesity, death rates are higher than seen among other people of the same age.

The clinical trial will compare an ultrasonic scalpel with the traditional technique, called electrocautery, in which surgeons send a current of electricity through the tissues being cut. The tissues heat up because of their resistance to the current, and the heat collapses and seals blood vessels to prevent bleeding.