Animal fat contains elevated levels of lipid soluble hormones and diets high in fat (meat) are associated w bph as well as elevated risk of prostate ca.
Finally, this craze of T replacement is greatly increasing the risk of symptomatic bph (along with other cardiovascular risk factors)
TRT does not increase the risk of BPH; this is discussed in the article, along with a hypothetical mechanism. Nor does TRT seem to have CVD risk.