made, done, presented, etc., in good faith; without deception or fraud: a bona fide statement of intent to sell. 2. authentic; true: a bona fide sample of Lincoln's handwriting. Origin of bona fide.
A genetic test that could determine men at the highest risk of developing aggressive disease could change how prostate cancer is treated, he says, since doctors would be able to more accurately predict which men would need more rigorous follow-up and which men likely wonât have to worry about their prostate that much.
Prostate Cancer The causes of prostate cancer are unknown, but some risk factors that have been identified are: 1  race â Black American men have a much higher rate of prostate cancer than White American men. 2  family history. 3  history of sexually transmitted disease. 4  older age. 5  diet high in animal fats.