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Some people are genetically predisposed to metabolize nicotine more slowly, meaning it stays in their system longer and has a more pronounced effect

Figure 3 TPM decreases neutrophil bacterial killing activity Elimination of invading microbes is one of the major functions of neutrophils

If nights after evening smoking are worse, nicotine is likely a contributing factor

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The protection of people who do not want to be affected by second-hand smoke has led to new laws in most communities that ban smoking in most public spaces