Normal Kidney Function
Your kidneys need adequate fluid to filter the blood and remove waste products through urine.
Good hydration helps support this normal function.
But drinking enormous amounts of water does not “flush” the kidneys better.
In fact, drinking excessive water too quickly can be dangerous because it can lower sodium levels in the blood.
6. It May Help Reduce Headaches Caused by Dehydration
Some headaches can be triggered or worsened by dehydration.
If your morning headache is related to not drinking enough fluid, water may help.
But headaches
