Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Stomach cancer risk (18 studies) · adults (aged at least 18 years)

It is very uncertain whether highest changes stomach cancer risk (18 studies) compared with lowest green tea exposure (very low certainty).

1 finding from 1 review

Green tea (Camellia sinensis) for the prevention of cancer 2020 · Cochrane Headline outcomes only
RR 0.86 [0.74, 1.01]
438595 participants
Very low