Her buddy speculates that she may be dehydrated. The ideal response to Mia is that she probably needs more water because it is hot and she is practicing more.
When you use or lose more fluids than you take in, your body becomes dehydrated because it lacks the water and other fluids it needs to function normally. You will become dehydrated if you don't replenish lost liquids.
Dehydration can affect everyone, but it is more dangerous for small children and elderly people. Severe diarrhea and vomiting are the most frequent causes of dehydration in young children. Older folks naturally have less water in their systems, and they may have diseases or take medications that make them more susceptible to becoming dehydrated.
This implies that even small ailments, including infections of the lungs or bladder, can cause dehydration in elderly people.
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