Any issues to do next to the digestive system ?

I have to find different issues to do with the digestive system , one example is a gastric bypass which raises ethical issues and some medical ones. I be wondering if anyone knew of any other issues ?
Thanks
Answers:
1. Laparoscopic Surgery
2. Gastric Banding for Obesity

Related Questions:
Melatonin. How do I convert the suggested amount of 1 mg to ml /teaspoons?   Is is possible (or preferably rather) to purloin the vaccine of a sickness if you've already caught it??   Wellbutrin vs. stimulants...does anyone hold experience studying near both?   The sunshine since the time until that time yesterday is 3 days after Saturday... What hours of daylight is it today?   What is the difference between Mucinex and Mucinex maximum strength?  
  • Advice on how to beocme a doctor?
  • The body mass index, I, can be used to determine an individuals risk of heart disease.?
  • How did Michael Jackson really die i've hear two things cardiac arrest and over dose wich one!??!!?