Even modest exercise after a cancer diagnosis is associated with substantially lower cancer mortality in several tumour types.
A pooled analysis of six large cohorts (CPS‑II Nutrition Cohort, HPFS, NIH‑AARP, NHS, NHS II, Women’s Health Study) evaluated 17,141 survivors of bladder, endometrial, kidney, lung, oral cavity, ovarian, or rectal cancer, with repeated measures of leisure‑time moderate‑to‑vigorous physical activity (MVPA) before and after diagnosis. Over a mean 10.9 years of follow‑up, 4,872 participants died of cancer. Compared with no MVPA after diagnosis, even low levels (>0 to <7.5 MET‑h/week, i.e., below current guidelines) were associated with lower cancer mortality in bladder (HR 0.67), endometrial (HR 0.62), and lung cancer (HR 0.56). Meeting guideline‑level MVPA (7.5–<15 MET‑h/week) conferred further benefit for several cancers, and survivors who became active only after diagnosis also had lower mortality than those who remained inactive before and after diagnosis.
Leisure‑Time Physical Activity and Cancer Mortality Among Cancer Survivors, JAMA Network Open, 2026; (PMID 41701497).
For patients:
Make “move after diagnosis” a core survivorship message: for most survivors, any MVPA above zero (e.g., 10–20 minutes of brisk walking most days) is associated with meaningfully lower cancer mortality in several cancers. Of course, one should individualise programmes around fatigue, treatment stage, and comorbidities.
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