Extreme Heat Predicted to Disproportionately Affect Older Adults and Black Adults

Reviewed by Danielle Ellis, B.Sc.Oct 30 2023 The researchers, whose work is published in Circulation, predict that adults ages 65 and older and Black adults will likely be disproportionately affected.

Sameed A. Khatana, M.D., M.P.H., study author, cardiologist, and assistant professor of medicine at the University of Pennsylvania, Philadelphia For older adults and Black adults, the projections were more pronounced. Among those ages 65 and older, deaths could almost triple, increasing from 1,340 to 3,842 if greenhouse gas emissions remain steady -; or to 4,894 if they don't. Among Black adults, deaths could more than triple, rising from 325 to 1,512 or 2,063.

"The number of cardiovascular events due to heat affects a small proportion of adults, but this research shows how important it is for those with underlying risks to take extra steps to avoid extreme temperatures," said Lawrence J. Fine, M.D., a senior advisor in the clinical applications and prevention branch, in the Division of Cardiovascular Sciences at the National Heart, Lung, and Blood Institute , part of NIH.

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