Chronic alcohol abuse is associated with increased risk of osteoporosis while light-to-moderate alcohol intake correlates with reduced osteoporosis risk. Addition of alcohol to a liquid diet is often used to model chronic alcohol abuse. Methods to model intermittent drinking (including binge drinking and light-to-moderate consumption) include (i) intragastric administration of alcohol by oral gavage or (ii) intraperitoneal (ip) administration of alcohol by injection. However, it is unclear whether the latter 2 methods produce comparable results. The purpose of this investigation was to determine the skeletal response to alcohol delivered daily by oral gavage or ip injection.
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