What can you do to reduce the risk of developing gallbladder cancer?

Difficult: It is a rare cancer and risk factors include gallstones, obesity, and advanced age. Diet and weight reduction can help and removal of the gall bladder in case of repeated gallstone attacks may be protective.

Nothing definite.: It's a very rare kind of a tumor. There is no known cause and thus no recognized preventive measure, aside from avoiding harmful high-fat foods, which cause a host of illnesses, including cancer and others.