Smoking Alters Your Immune System for Years After You Quit February 17, 2024, 09:13:47 PM Smoking Alters Your Immune System for Years After You Quit[html]By switching genes on and off, cigarettes have a long-lasting effect on immunity, and appear to shape your immune system just as much as aging.[/html]Source: Smoking Alters Your Immune System for Years After You Quit (http://ht**://www.wired.c**/story/smoking-immune-system-long-lasting-effects/) Quote Selected