Many people are plagued with chronic headaches and migraines and are mystified by what causes them. One probable cause could be second-hand smoke and, if you are a smoker, the act itself. A visit to WebMD.com Migraines and Headaches health center explains how the nicotine contained in tobacco, when inhaled, will stimulate the blood vessels in the brain, causing them to … [Read more...] about Nicotine in Cigarettes Contribute to Cluster Headaches and Migraines
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