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Some consume tramadol for its calming, analgesic and anti-fatigue effects in order to improve intellectual, physical and working performances, and to lessen the need for sleep and decrease appetite, in farming communities, there are reports of tramadol being used by humans and fed to cattle to enable them to work under extreme conditions. Others use tramadol as a recreational drug on account of its stimulant and euphoric effects, or to improve sexual stamina.