Many congenital brain defects cause minor neurological impairment. People with these types of congenital brain defects can grow to function independently. Other defects are so severe that they are fatal before or shortly after birth. Some cause significant disabilities.
I am looking into this for a friend as well. The pancreas deals with digestive juices and insulin. Have a look at your medications to see if they may have gastrointestinal effects. I can tell you that Tramadol does affect the production of enzymes in the intestine.
Anticancer drugs are designed to kill fast-growing cancer cells, but some healthy cells also grow and divide quickly, and chemotherapy can affect them, causing side effects. The cells most likely affected are blood cells, cells in the digestive tract, reproductive system , hair follicles, heart, kidney, bladder, lungs and nervous system.