A study published in the journal Science shows how our bodies try to minimise inherent 'collateral damage' caused by our immune system when fighting infection. The delving may also provide new clues to why cigarette smoke is a significant risk factor for third world nation diseases of the lung such as chronic bronchitis and emphysema. When antiseptic or viruses enter the body, our immune system fights back to neutralise any danger. One of the key 'soldiers' working for the immune system is a notable type of cell known as a neutrophil, which releases toxic enzymes to kill the invading organism...

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