Prostate cancer develops in the prostate, an organ just below the urethra that is an essential part of the male reproductive system. Most prostate cancers do not have an identifiable cause, but doctors have found many factors that raise the risk of developing the disease. Prostate cancer is the fourth most prevalent cancer in the world, with 1.27 million cases diagnosed in 2018.
A significant number of people diagnosed with prostate cancer are overweight. Doctors use an objective measure called body mass index (BMI) to determine if a person is a healthy weight, overweight, or obese. Individuals with a BMI of between 25 and 30 are classified as overweight, while a BMI of more than 30 is considered obese. Being overweight only slightly increases the risk of prostate cancer, while obesity substantially raises the risk.
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