This means it takes longer for them to raise their internal body temperature, or warm up.
<h2>Why do older adults need more water?</h2>
Younger individuals and children have more water in their bodies to begin with than older adults. Nearly every physical process, including lubricating joints, controlling body temperature, and pumping blood to the muscles, depends on water. Therefore, not getting enough of it can have detrimental effects on your health.
<h2>Why do older adults have trouble responding to high heat?</h2>
Older persons have a harder time adjusting to rapid temperature fluctuations than younger adults do. Part of this is due to an aging brain. The brain swiftly activates sweat glands and dilates blood vessels in a young person in response to heat to help it cool down.
<h3>What is Cold Habituation?</h3>
A common definition of cold habituation is the process of becoming accustomed to being in cold water, which is essentially a desensitization of the body's thermal sense to cold as a stressor. In plainer language, a swimmer's skin and body become accustomed to the effects of cold water over time, making it easier to repeatedly enter cold water.
Learn more about cold habituation:
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