Or: living-longer is a predictive factor for sun exposure.
Or: people who live a long time, often go outside.
Or: non-sedentary lifestyles predict long-life.
Or: to quote the paper 2/3rds in,
"We acknowledge several major limitations of this study.
First, it is not possible to differentiate between active sun exposure habits and a healthy lifestyle".
This isn't doing the cultural perception of science any favours.
Or: people who live a long time, often go outside.
Or: non-sedentary lifestyles predict long-life.
Or: to quote the paper 2/3rds in,
This isn't doing the cultural perception of science any favours.