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


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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