For some people, going for a run can trigger what’s known as a “runner’s high”, a short-lasting feeling of euphoria or relaxation. But for others, running can trigger something far less pleasant: a headache. | News24Wellness
increases in order to ensure it has enough oxygen to keep our body moving. But this also means there’s an increase in the amount of CO2 and heat our brains need to get rid of. To cope with this, our blood vessels expand and this stretching can cause pain.
Since everyone has different anatomy and physiology, for some people the additional demands that exercise places on their circulatory system may be enough to trigger a headache. But for others, certain conditions may cause exertion headaches.than the rest of the body, and it cannot dissipate heat through the skin by sweating. The only way it can get rid of heat is by widening the blood vessels to increase blood flow to through the brain, helping to take away some of the heat.
Since hot and humid weather already increase the brain’s temperature, adding exercise into the mix only makes it hotter, leading to an even greater swelling of our blood vessels to cope. This may explain why some people only get the characteristic pulsating headache when they exercise on a hot day.
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