Researchers found that adherence to a modified Mediterranean diet decreased DNA damage than can lead to the development of tumors. According to the World Cancer Research Fund International, prostate cancer is the second most common cancer in men worldwide. U.S: 1 in 7 men will be diagnosed with prostate cancer in their lifetime. American Cancer Society estimates a staggering 220,800 new cases and 27,540 deaths from prostate cancer in 2015.