Findings

What do systematic reviews say?

2 questions · 2 findings · 2 reviews · Gynaecological, Neuro-oncology and Orphan Cancer

Sort:Best matchNewest Highest certainty Download CSV

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Highest vs lowest green tea exposure

Breast cancer risk (14 studies) · adults (aged at least 18 years)

It is very uncertain whether highest changes breast cancer risk (14 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 0.88 [0.75, 1.02]
250822 participants
Very low

Highest vs lowest selenium exposure

Breast cancer risk (14 studies) · Participants in non experimental cohort studies on selenium and cancer

It is very uncertain whether highest changes breast cancer risk (women) No. of participants: 169,028 (8… compared with lowest selenium exposure (very low certainty).

1 finding from 1 review

Selenium for preventing cancer 2018 · Cochrane Headline outcomes only
OR 1.09 [0.87, 1.37]
Studies not reported
Very low