Alexis' Story: Gastric Bypass for a 12-Year-Old?

Alexis, 12, has developed hypothalamic obesity after being diagnosed with a rare brain tumor that damaged her brain and caused it to "think" she's starving. Gastric bypass surgery could help stop Alexis' unrelenting weight gain. Find out how the procedure would work, and learn the good news the family received after her story went viral on the Internet.