It's possible to restore vision -- with a tooth. Find out about tooth-in-eye surgery at HowStuffWorks.
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- Mayo Clinic: Gastric bypass: Is this weight-loss surgery for you? http://www.mayoclinic.com/health/gastric-bypass/HQ01465
- CDC: Overweight and Obesity http://www.cdc.gov/nccdphp/dnpa/obesity/
- WebMD: Gastric Bypass Surgery http://www.webmd.com/diet/gastric-bypass-operations
- WebMD: Weight Loss Surgery Fast Facts http://www.webmd.com/a-to-z-guides/weight-loss-surgery-fast-facts
- NIDDK: Gastrointestinal Surgery for Severe Obesity http://www.win.niddk.nih.gov/publications/gastric.htm#normaldigest