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Heat illness is a spectrum of disorders due to increased body temperature. It can be caused by either environmental conditions or by exertion. It includes minor conditions such as heat cramps, heat syncope, and heat exhaustion as well as the more severe condition known as heat stroke. [1] It can affect any or all anatomical systems. [2]
Heat stroke is an acute temperature elevation caused by exposure to excessive heat, or combination of heat and humidity, that overwhelms the heat-regulating mechanisms of the body. The latter is a relatively rare side effect of many drugs, particularly those that affect the central nervous system .
Women and over 65-year-olds are particularly vulnerable to heat-related cardiovascular disease and death. [18] At the same time being exposed to heat does not cause the development of new cardiovascular and cerebrovascular diseases in itself. [16] Extreme heat could also cause a 14% increase in the risk of dying for people with diabetes. [19]
At internal temperatures that high, the body’s vital organs can start to fail, not only because of the direct effect of the heat, but also because of the inflammation that the body produces in ...
“The higher the humidity, the lower temperatures you need for extreme heat,” Linden said. High body temperatures can lead to damage to the brain and other vital organs, the CDC says. They can ...
The pathophysiology of heat stroke involves an intense heat overload followed by a failure of the body's thermoregulatory mechanisms. More specifically, heat stroke leads to inflammatory and coagulation responses that can damage the vascular endothelium and result in numerous platelet complications, including decreased platelet counts, platelet ...
A whopping 6.3 billion people worldwide experienced at least 31 days of extreme heat since mid-2023. As the climate crisis drives more extreme and frequent heatwaves in the US and around the world ...
Heat waves and extreme weather events have a big impact on health both directly and indirectly. When people are exposed to higher temperatures for longer time periods they might experience heat illness and heat-related death. [3] In addition to direct impacts, climate change and extreme weather events cause changes in the biosphere. Climate ...