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After four weeks of cigarette smoke exposure, the spleens were harvested and ground in physiological saline to prepare single-cell suspensions, which were subsequently filtered

There's no safe amount of cigarette smoke during pregnancy, so the sooner you quit the better

When the chemicals in cigarettes enter the bloodstream, it can trigger the immune system to respond as if theres a constant threat

So far, only one such device -- made by one of the world's largest tobacco companies, Philip Morris International -- has been authorized by the U.S

His sense of unity, in contrast, is tightly limited, either to the food chain or to something mystical