How Long Does It Take For Caffeine To “Kick In”?
Caffeine is a central nervous system stimulant [of the methylxanthine classification] and is the single most consumed psychoactive substance worldwide. According to the University of Villanova, over 90% of adults in the United States consume on a daily basis. What’s more, over 50% of American adults ingest over 300 mg of caffeine daily – usually …