The federal government has issued new rules spelling out how it intends to police the use of genetic information by health plans.The regulations, published Oct. 7 in the Federal Register, bar health insurers from increasing premiums or denying enrollment based on genetic information. The regulations implement certain provisions in the Genetic Information Nondiscrimination Act (GINA), which was signed into law by President George W. Bush in May 2008.Beefing up consumer protections for genetic information...