| http://www.w3.org/ns/prov#value | - Cigarette smoking, in particular, has attracted interest as a risk factor for ALS. Smoking could increase the risk of ALS through several mechanisms, including inflammation, oxidative stress, and neurotoxicity caused by heavy metals and other chemical compounds present in cigarette smoke[2-5].A number of epidemiologic studies have assessed the association of cigarette smoking with ALS incidence, b
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