Stairs, Stairs: Your Heart Already Knows
By Isla Camilleri — PUCKA Health --- There is a staircase in my Valletta building that I have climbed every day for three years.
Stairs, Stairs: Your Heart Already Knows
*By Isla Camilleri — PUCKA Health*
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There is a staircase in my Valletta building that I have climbed every day for three years. Sixteen steps, limestone worn smooth in the centre, a landing where the light comes through a small square window and lands on the wall in a way that changes depending on the season. I have never once thought of it as exercise. I thought of it as the way you get home.
It turns out the body does not require you to think about it.
A large-scale study tracking hundreds of thousands of people across multiple countries has found that consistently choosing stairs over lifts reduces the risk of death from cardiovascular disease by a meaningful margin — around 39 percent. Not a supplement. Not a protocol. Stairs. The kind that exist in almost every building on this island, in every office, in every car park with a concrete annexe that everyone ignores.
What the researchers found is something that exercise physiologists have suspected for years but struggled to quantify at scale: incidental physical activity — movement woven into the texture of daily life rather than carved out as a dedicated session — accumulates in the body in ways that genuinely matter. The cardiovascular system does not distinguish between intentional and incidental. It responds to demand. Stairs create demand. Repeatedly. Quietly. Without a gym membership or a block of time you do not have.
There is something almost subversive about this, in an era that has commodified wellness into an industry. The message underneath the data is that the body is not waiting for you to optimise it. It is already responding to every small choice — every flight climbed, every walk taken at lunch, every time you park further than necessary and feel mildly virtuous about it. That virtue, it turns out, is justified.
The same pattern appears in the colorectal cancer research published this week: a new blood test capable of detecting precancerous polyps before they become something harder to treat. Different disease, same underlying logic — small interventions, early in the chain, produce disproportionate outcomes. The body rewards attention. Not obsession. Attention.
Sixteen steps. A window. Light on limestone. I have been doing the right thing for three years without knowing it. I find this genuinely reassuring.
One thing you can do: Take the stairs once today — just once — and notice how the building looks from the landing. That is enough to start.