Are there treatments that don cause impotency?
First, the type of treatment one might even choose is determined by the nature of the disease. Some treatments are useless with some forms of prostate cancer. Second, some treatments have a greater risk of impotency than others do but they might offer a better chance of dealing with the disease. That is why education is crucial, so this can be discussed with the medical team. That is why the experience of those who have gone through this can be of value.
