Widespread cannabis misinformation—fueled by commercial dispensary marketing, anecdotal internet folklore, and historical medical training omissions—frequently misleads patients seeking safe, evidence-grounded therapeutic care. From the unverified commercial hype surrounding CBN as a primary sedative to obsolete Indica-versus-Sativa classifications, misleading narratives prevent patients from achieving predictable clinical outcomes. Board-certified family physician Dr. Benjamin Caplan debunks seven prevalent cannabis myths using clinical pharmacology, real-world registry observations, and modern endocannabinoid science.