
Across pooled cohort studies following 531,804 people for an average of 13.24 years, combining at least four of five healthy lifestyle factors (around smoking, weight, alcohol, diet and physical activity) was associated with a 66% lower risk of death from any cause, with risk falling steadily as the number of healthy factors rose.
- Study design
- Meta-analysis
- Journal
- Prev Med
- Evidence
- well supported
What it shows: About as convincing as this kind of evidence gets: results pooled from studies that followed 531,804 people for over a decade. The catch is that researchers followed people rather than assigning habits, so people who live healthily may differ in other ways that the studies could not fully capture.Meta-analysis · Prev Med