Causes and risk factors
The causes of prostate cancer are unknown, but it is known that the male hormone testosterone is necessary for it to develop. A number of other factors most probably contribute, but exactly what and how has not been determined.
There are significant differences globally in how frequently prostate cancer occurs. There are indications that lifestyle and hereditary factors play a certain role. Diet is also thought to have some significance, but exactly which foods can increase or decrease risk is unknown. We believe that at least a few percent of all prostate cancer cases are hereditary. How fast the cancer grows varies from one person to the next. It can grow slowly in some patients, rapidly in others.
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