ScienceDaily (Apr. 20, 2008) — About 40 percent of African-Americans have a genetic variant that can protect them after heart failure and prolong their lives, according to research conducted at Washington University School of Medicine in St. Louis and collaborating institutions. The genetic variant has an effect that resembles that of beta blockers, drugs widely prescribed for heart failure. The new study offers a reason why beta blockers don’t appear to benefit some African-Americans.
