Key result
Each 1-point increase in baseline CVH score is linked to ~9% lower incident cancer risk.
Why the study?
Shared risk factors between cancer and cardiovascular disease suggest primordial prevention may prevent cancer, motivating an examination of whether baseline and changes in cardiovascular health score associate with incident cancer.
Does a higher cardiovascular health score and its improvement reduce the risk of incident cancer and cardiac events in midlife adults?
Cohort (n=13,933)
Does a higher cardiovascular health score and its improvement reduce the risk of incident cancer and cardiac events in midlife adults?
Hazard Ratio: 0.91 (95% CI 0.88–0.93)
Better cardiovascular health in midlife and its improvement over time are associated with a significantly lower risk of both incident cancer and cardiac events.
Does not yet support practice change; extends observational CVH-cancer links but leaves causality open for trials.
Background: The commonality of risk factors between cancer and cardiovascular disease suggests that primordial prevention (preventing the onset of risk factors) is a relevant strategy for cancer prevention. Objectives: This study sought to examine the association between baseline and change in the cardiovascular health (CVH) score and incident cancer. Methods: Using serial examinations of the GAZEL (GAZ et ELECTRICITE de France) study in France, we examined the associations between the American Heart Association's Life's Simple 7 CVH score (range: 0-to 14 [poor, intermediate, and ideal level of smoking, physical activity, body mass index, diet, blood pressure, diabetes status, or lipids]) in 1989/1990, their change over 7 years, and incident cancer and cardiac events up to 2015. Results: The study population included 13,933 participants (mean age: 45.3 ± 3.4 years, 24% women). After a median follow-up of 24.8 years (Q1-Q3: 19.4-24.9 years), 2,010 participants had an incident cancer and 899 a cardiac event. The risk of cancer (any site) decreased by 9% (HR: 0.91; 95% CI: 0.88-0.93) per 1-point increase in the CVH score in 1989/1990 compared with a 20% (HR: 0.80; 95% CI: 0.77-0.83) risk reduction for cardiac events. The risk of cancer decreased by 5% (HR: 0.95; 95% CI: 0.92-0.99) per unit of change in the CVH score between 1989/1990 and 1996/1997 compared with a 7% risk reduction for cardiac events (HR: 0.93; 95% CI: 0.88-0.98). These associations remained after omitting the smoking metric from the CVH score. Conclusions: Primordial prevention is a relevant strategy for the prevention of cancer in the population.
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Sloten et al. (2023) conducted a cohort in Incident cancer (n=13,933). Cardiovascular health (CVH) score vs. Lower CVH score was evaluated on Incident cancer (any site) (HR 0.91, 95% CI 0.88-0.93). A 1-point increase in the baseline cardiovascular health score was associated with a 9% decreased risk of incident cancer (HR 0.91; 95% CI 0.88-0.93) over a median follow-up of 24.8 years.
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