Secondhand Smoke Exposure Enhances Cardiac Fibrosis Effects on the Aging Rat Hearts.

Abstract

BACKGROUND Examining aging rats exposed to secondhand smoke (SHS) engenders changes in left ventricular remodeling due to age- or disease-dependent alterations. METHODS Rats were placed in whole-body exposure chambers and exposed to 10 cigarettes. Filtered air was introduced into the chamber at a low rate. Rats were exposed to SHS for 30 min, twice a day… (More)

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