Broccoli is known for its cancer-fighting compounds. Numerous studies over the past 20 years have found that people who eat plenty of broccoli have a significantly lower risk of several cancers, including breast, colon, cervical, lung, prostate and bladder cancer. Broccoli's also a good source of calcium, which may help lower high blood pressure, common in people with diabetes. Here are some of the health benefits of eating broccoli and some ways to add the vegetable to your diet.