Paywall, https://www.nature.com/articles/s41591-020-1012-3, Sci hub, https://sci-hub.tw/10.1038/s41591-020-1012-3 Article about the study, https://mrc.ukri.org/news/browse/la...r-health-and-more-intense-activity-is-better/
Not terribly with-it, but doesn't that just mean that people who are more active (for whatever reason) have less risk of dying? And isn't that bl**dy obvious? It's not necessarily that increasing activity reduces risk?