How Long Does Caffeine Stay In Your System?
Caffeine is considered a naturally occurring CNS stimulant and is classified as a methylxanthine drug. Over 60 species of plants contain caffeine, most notably: coffee seeds (i.e. “beans”) and tea leaves. It is estimated that 80% (4/5) adults in the United States consume caffeine on a daily basis, and 90% of people throughout the world …