Training at high altitudes has often been seen as the gold standard for athletes. Exercising at a higher altitude means there’s less oxygen in the air, forcing the body to make more red blood cells to compensate. These extra red blood cells, plus the increased oxygen capacity, translate to a real competitive advantage when the athletes return to sea level.
Its was show that when the duration and frequency of training performed in heat or at altitude are the same, the heat-based training can offer a more obtainable and time-efficient method to improving tolerance to altitude,” Ben J. Lee, Ph.D., the lead author of the study said in a press release.
Will heat training help you, if you’re not an elite athlete? It’s hard to say based on this one study. It’s a small sample size and they only looked at well-trained men, but it’s a simple hack that anyone could try. Just be sure to stay hydrated and pay attention to how you’re feeling. Any sign of heat stroke, like dizziness or nausea, and you should stop immediately.