Should companies be allowed to demand your genetic test results?

NASA's Marshall Space Flight Center/Creative Commons
Your genetic profile can reveal whether you have a disease or a predisposition to problems like cancer. So there is concern over a bill that would let companies request genetic testing, and effectively charge employees more for health insurance if they refuse.
The bill aims to clarify rules for workplace wellness programs. Employers would be able to offer discounts of up to 30 percent to those who participate. For the average family of four,