In Israel there is an orgasm of gene pre-screening tests regarding breast cancer genes. (1)

Ruined psychologies...

Ruined families...

Mastectomies and early marriages, because of the fear of statistics.

Prediction is a good thing. But a prediction whose result is accepted anyway as "true" seizes to be a "prediction" and starts becoming an oppression. The fear of death has overpowered the lust for life. Life destroyed by medicine - the very same tool which used to protect it...