The U.S. is considering new visa rules that may allow immigration authorities to deny visas to foreigners with chronic health conditions, including diabetes, obesity, heart disease, and other long-term illnesses. Officials say the move is aimed at reducing future healthcare burdens, but critics warn it could unfairly target millions of applicants worldwide. The proposal is still under review and has not yet taken effect. BREAKING: The U.S. may introduce new visa rules that could deny entry to fo