Harvard Health Blog

Alcohol and headaches

By: Katherine D. McManus, MS, RD, LDN, Contributor Alcohol is embedded in our society, and it is difficult to be in a public space without seeing a reference to alcohol or being offered a drink. Alcohol is broken down in the liver by an enzyme called alcohol dehydrogenase. People with a variant in this enzyme have issues with metabolizing alcohol and can develop total body flushing or reddening of the skin. …

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