Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

324 questions · 341 findings · 54 reviews · Headline outcomes only

No studies found 120 · 35.2%GRADE not reported 9 · 2.6%Very low 97 · 28.4%Low 80 · 23.5%Moderate 25 · 7.3%High 10 · 2.9%

Antioxidants vs placebo

Reduction of TTM symptom severityMassachusetts General Hospital Hair‐Pulling Scale (MGH‐HPS) · adults with trichotillomania
1 finding from 1 review

Antioxidants vs placebo

Reduction of TTM symptom severityMassachusetts General Hospital Hair‐Pulling Scale (MGH‐HPS) · children with trichotillomania
1 finding from 1 review