Findings

What do systematic reviews say?

3 questions · 3 findings · 1 reviews

No studies found 1 · 33.3%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 2 · 66.7%

Alopecia · healthy men

Selenium leads to higher adverse events: alopecia compared with placebo (high certainty).

1 finding from 1 review

Drugs for preventing lung cancer in healthy people 2020 · Cochrane Headline outcomes only
RR 1.28 [1.07, 1.53]
1 study · 17448 participants
High

adverse events: grade 1 to 2 dermatitis · healthy men

Selenium leads to higher adverse events: grade 1 to 2 dermatitis compared with placebo (high certainty).

1 finding from 1 review

Drugs for preventing lung cancer in healthy people 2020 · Cochrane Headline outcomes only
RR 1.16 [1.04, 1.31]
1 study · 17448 participants
High

Adverse events · healthy women, aged 35 to 60, and men, aged 45 to 60, living in France

The review found no eligible studies for this question.

1 finding from 1 review

Drugs for preventing lung cancer in healthy people 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found