CannabisScienceFacts.com
Method

How we grade evidence

Cannabis discourse is full of confident claims on both sides. Our only loyalty is to study quality — not to outcomes.

STRONG EVIDENCE
27 facts

Convergent evidence: controlled trials, systematic reviews, or long-established pharmacology.

MODERATE EVIDENCE
6 facts

Consistent human data with real limitations — direction is clear, magnitude is not.

LIMITED EVIDENCE
1 facts

Early or small human studies. Interesting, not settled.

MIXED / UNSETTLED
3 facts

Studies point in different directions, or causality is unresolved.

Grades are revisited as new systematic reviews appear. When high-quality evidence contradicts a fact, we change the fact — the correction log is the point of the site.