We shouldn't let biology and genetics be forever kept hostage by the fact that 100 years ago some racists (who did not even know what DNA was) used crude mechanisms like castration to push their specific forms of social engineering.

There is a lot of potential problems written into your exome, and some of them can be prevented. Treating a condition which has already taken hold is much more complicated and often less successful. Personalized medicine is pretty much the only way forward nowadays.