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    smoking and kidneys?
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    newton2325 posted:


    Can someone give me background and facts about the impacts of nicotine and smoking cigarettes on kidneys and kidney function? Smoking is obviously a bad habit - but is it particularly, specifically hard on kidneys? (I donated one and thus have only one kidney remaining...) Thanks for any info ...
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    john-skpt responded:
    It's not really the nicotine directly, but instead is the overall reduction in the oxygen carrying capacity of the blood and the increase in blood pressure.

    Kidneys are the most blood-hungry structures in the body, and anything that reduces blood flow (by tightening arteries, as smoking does) and lowers the oxygen capacity, or increases blood pressure (which can damage the very tiniest arterioles in the kidneys) is not a great idea.

    You might get away with it and have minimal damage, but you might not. And you no longer have the second kidney to serve as a backup against long term damage and loss of function.


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