People who undergo Gastric Bypass procedures apparently are now found to be unable to absorb their antidepressants after surgery. Obs Surg 2005;15:677-683.
Many people who go through this procedure have major depression. Studiers have shown 20% to 28% who are being followed for consideration for undergoing this surgery fall into this category.
This is very important and is causing a major reconsideration of patients being considered for bypass.