When you have symptoms (belly pain, diarrhea, a lot of gas), choose foods that are easy on your gut. The trick to managing the disease is to choose foods from the left hand column when you have a flare up or an upset in the functioning of your gut. These foods are low in fiber, fats and are easier on you.
Copper pipes corrode as well, but (theoretically) over a longer period than the galvanized types. Generally a copper pipe can last 50-70 years under good conditions. PH levels in the water and grounding both affect the pipes and speed up corrosion extensively.
Brass pipes will last about 40-70 years on average, with great conditions. Plastic pipes come in two variations: CPVC and PEX piping. CVPC piping has a lifespan of 50-75 years while the PEX plastic ruins much faster and lasts only about 40 years or so. These pipes can last (theoretically up to 100 years).