A newly introduced House bill would expand what Medicare covers by adding certain food and nutrition services to the program, marking a potential shift in how health care for older Americans and people with disabilities is defined under federal law. The proposal, H.R. 8391 was introduced on Monday by Representative Raul Ruiz, a Democrat from California. The law would amend the Social Security Act, which governs Medicare and Medicaid. If enacted, the bill would require Medicare to cover