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The weakening of your immune system also contributes to your susceptibility to developing cancer
(If you want and know how, you can use an online mapping service, such as Google Maps, for this activity.) If you dont have a map handy, you can draw a rough map or diagram
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Exposure to cigarette smoke (Kim et al., 2014), its major constituent nicotine (Petsophonsakul et al., 2021), and electronic cigarettes ( in vitro cellular studies have shown that constituents of cigarette smoke lead to depletion of the cofactor tetrahydrobiopterin in vascular endothelial cells, which is essential for endothelial NO synthase function, resulting in uncoupling and dysfunction of endothelial NO synthase and endothelial dysfunction ( in vivo studies in smokers and in vitro studies in bovine aortic endothelial cells (Peluffo et al., 2009)
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