"Smart Pill" Shows Promise As Weight Loss Treatment

(Undated) -- A new "smart pill" is yielding some promising results for overweight and obese people. It uses thousands of hydrogel particles that expand in the stomach. The pill called Gelesis 100 underwent a three-month study, and researchers say no serious side effects were reported. The results of the study were presented recently at the International Society of Endocrinology and the Endocrine Society.