Caffeine, conteened in coffee an ither beverages, is the maist widely uised psychoactive drog in the warld. 90% o North American adults consume the substance on a daily basis.[1]
A drog is ony substance (ither nor fuid that provides nutreetional support) that, when inhaled, injectit, smeukit, consumed, absorbed via a patch on the skin, or dissolved unner the tongue causes a physiological chynge in the bouk.[2][3]