Difficulty climbing stairs tied to higher CV death risk

Clinical takeaway: For patients who won't take on structured exercise, daily stair use is a practical thing to offer, and the evidence points toward modest amounts rather than high volume. 

Physical activity advice tends to fail at the same place: patients agree with it and then don't. Barriers named most often are time and cost, which is why interest has moved toward activity that requires neither, accrued in short bursts across the day rather than booked as exercise.

Stairs are the cleanest example, already accessible in workplaces, homes, and transit. What has been thinner is evidence tying them to mortality, rather than just to fitness measures. A pooled analysis of nine cohort studies, following more than 480,000 adults ages 35 to 84 for a median of 14 years, addressed that gap.

Stair climbing was tied to a 39% lower risk of cardiovascular death across five studies and 455,619 adults. All-cause mortality was 24% lower. Four of five studies reporting cardiovascular events also found less myocardial infarction, stroke, and heart failure among stair users, though inconsistent measurement kept those results out of the pooled analysis. 

Two different questions sit inside that mortality finding. Three cohorts scored whether participants could climb one to three flights without difficulty, in patients with peripheral arterial disease or recent coronary angiography. Any reported deficit tracked with nearly triple the risk of cardiovascular death in one study. The other two counted flights instead. The larger of those, 442,027 UK Biobank adults, found risk falling as daily flights rose, while the second found no significant association between volume and cardiovascular death. 

The review pooled five of nine observational cohorts for mortality, covering adults ages 35 to 84 followed for a median of 14 years. All exposure data were self-reported. Age and sex were adjusted consistently, but accounting for overall physical activity and baseline cardiovascular risk varied across studies, and only three cohorts attempted to adjust for total activity. 

For counseling, the useful figure is the ceiling rather than the effect size. Benefit in the largest cohort flattened at about six flights a day, roughly 60 steps, which makes the ask concrete and modest instead of aspirational. The capacity findings point somewhere else. In patients with vascular disease, difficulty on the stairs was not a behavior to be corrected but a marker of how much risk they were already carrying, and that distinction determines whether the answer prompts advice or a closer look. 

"After pooling results from over 450,000 participants, we found a consistent association between stair climbing and lower risk of both cardiovascular death and overall mortality," said Sophie Paddock, MD, of Norwich Medical School at the University of East Anglia and a cardiologist at Norfolk and Norwich University Hospital. 

Source: Paddock S, et al. (2026 Aug 13) Am J Cardiovasc Drugs. Evaluating the Impact of Stair Climbing on Cardiovascular Risk Reduction: A Systematic Review and Meta-analysis