tobacco immune system Smoking's lasting effect on the Can flu spread in hot
Can flu spread in hot weather? Yes, while it's less common in summer, it can circulate year round. Here are 6 simple tips to boost your immune system and stay feeling your best. Cigarette smoking weakens your immune system and increases your risk for respiratory infections. For free help to quit smoking visit CDC.gov quit. Impacts of cigarette smoking on immune responsiveness: Up and down or upside down? PMC Smoking and Your Immune System
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