Glossary term

Evidence gap: An evidence gap means there is not enough good-quality research to answer an important clinical question confidently.

UsefulResearchSource quality: HighLast updated: 29 June 2026

Why this term matters

Essential for transparent education and for avoiding overstatement.

UK medical cannabis context

NICE’s cannabis guidance includes recommendations for research, reflecting ongoing evidence gaps.

What not to assume

Evidence gaps do not prove a treatment ineffective; they mean certainty is limited.

Careful wording: Avoid filling evidence gaps with anecdotes or marketing.

Related glossary terms

Related MCPH pages

Sources and review notes

This entry is educational vocabulary, not medical advice. Suitability, prescribing, product choice and monitoring belong with a qualified clinician or pharmacist.