do cigarettes weaken your immune system The Convergent Immunopathogenesis of Cigarette Smoke Exposure: From Oxidative Stress to Epigenetic Reprogramming in Chronic Disease Everyday habits that weaken your
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doi:10.1097/MCC.0b013e32834c563f

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Unfortunately, this short-term alertness translates into long-term emotional imbalance and poor recovery from daily labor stress