My brother-in-law, Bill, sent this along. As someone who is currently taking concentrated amounts of broccoli and other similar veggies, like cabbage, brussels sprouts, cauliflower, in concentrated pill form, I believe these statements have some merit.

Broccoli. Scientists are reporting discovery of a potential biochemical basis for the apparent cancer-fighting ability of broccoli and its veggie cousins. They found for the first time that certain substances in the vegetables appear to target and block a defective gene associated with cancer.