Nation of Islam Minister Louis Farrakhan warned Black America to be skeptical of vaccines made from "their medications" to treat a disease that has disproportionately affected African Americans.

The Tuskegee Experiment gave Black people a good reason to distrust what's happening.

Medical providers have been depending on inaccurate research to determine cardiovascular risks, which have been particularly inaccurate with African-American patients.

ATLANTA — Experts say that the kind of unethical medical studies that occurred half a century ago could still happen again despite more than 1,000 rules and regulations that should prevent such abuses.

The general distrust that African Americans have of clinical trials is rooted in their strained relationships with medical researchers, some of whom long ago broke the bond of trust by putting African-American patients at risk and failing to make full disclosures.