human performance
monday
column
Monday 21 september 2026
We all know the recommendations. Move more. Exercise. Spend less time sitting. The problem is often not knowing what to do. It is finding the time to do it. What if we changed our perspective? A study published this year in The Lancet shows that, at the population level, even ver…
Monday September 14, 2026
10:30 a.m. You’ve been working on a project for two hours. Or maybe it’s 3 p.m., after lunch. Your concentration starts to fade. Your attention becomes less sharp. And our first instinct is often the same: Take a break. Grab a coffee. But what if we simply started by moving? No n…
Monday September 7, 2026
Monday morning. The alarm rings. A new week begins. After several short nights, many of us make the same promise: “This weekend, I’ll catch up.” So on Saturday and Sunday, we sleep longer. A good idea? Probably. Enough? Not necessarily. Because sleep does not work quite like a ba…
Monday August 31, 2026
When the weather is hot, we immediately think about our body temperature, sweating, or hydration. Much less often about our gut. And yet, during prolonged exercise in the heat, our body has to make choices: more blood is directed towards the working muscles and towards the skin t…
Monday August 24, 2026
Women sweat less than men. So one might think that they are less effective at dissipating heat and that their body temperature rises more. That makes sense. And yet… that’s not what the science shows. In a recent study conducted at 40 °C, women sweated significantly less than men…
Monday August 17, 2026
When faced with heat, our bodies have a remarkable ability to defend themselves. As our temperature rises, two mechanisms play a key role: blood flow to the skin increases, and we sweat more. This allows our bodies to release some of the heat they accumulate. But as we age, this …
Monday August 10, 2026
We’ve all learned to listen to our thirst. However, physiology shows us that thirst isn’t the first sign of dehydration. As the temperature rises, our bodies immediately activate their thermoregulatory mechanisms. We lose water through sweating, the heart works harder to maintain…
