The Medicaid expansion in 41 states that began a decade ago has helped low-income workers in numerous ways. Millions have gained health insurance for the first time under the program, which saves lives, stabilizes family finances, and adds a second layer of insurance to poor retirees’ Medicare coverage. The expansion has also benefited the disabled, and particularly people of color, new research finds. This is an important finding for Blacks, Hispanics, and Native Americans, who have higher levels of disability and poverty, which federal disability benefits and cash payments under Supplemental Security Income (SSI) were designed to alleviate. Expanding Medicaid so that it covers more lower-income workers has had a dramatic impact on the SSI and disability programs – in…