Table 4.

Example list of several risk and protective factors for the prostate cancer [2,3].

Risk category	Parameters
Sociodemographic data	Age, family health history, ethnicity, and race.
Environmental sources	Nutrition and diet (animal fat, fruits, legumes, yellow-orange and cruciferous vegetables, soy foods, dairy products, fatty fish, alcohol, coffee, green tea, modified citrus pectin, and pomegranate).
	Supplements (multivitamins, vitamin E -with or without selenium, folic acid, zinc, calcium, vitamin D, retinoid, and zyflamend).
	Drugs (5 alpha-reductase inhibitors, nonsteroidal antiinflammatory drugs, statins, and toremifene).
	Medical procedures (vasectomy, barium enema, hip or pelvis x-rays, and external beam radiation therapy for rectal cancer).
	Tobacco use (tobacco products, smoking).
Personal health status (internal environment)	Medical conditions (prostatitis, prostatic intraepithelial neoplasia, syphilis, skin basal cell carcinoma, and benign prostate hyperplasia).
	Anatomic measurements (high body mass index).