Sulforaphane, the cancer-fighting nutrient found in broccoli, needs a tender touch when cooking.
Sulforaphane may help fight cancer by increasing detoxification enzyme activity, and cooking broccoli stimulates production of this powerful nutrient. However, research shows that heating broccoli to over 158 degrees Fahrenheit will decrease levels of sulforaphane, so steam broccoli lightly to about 140 degrees.

Eat a diverse diet that includes 5 servings of vegetables per day