Drinking water doesn't prevent dehydration any more than eating a varied diet does.
Water bottle companies can claim to provide hydration, but claiming to prevent dehydration is a different thing.
Some sort of illness or being stranded in a desert are the only scenarios I can think of where only water prevents dehydration, and then you need Gallons of the stuff.
Drinking water doesn't prevent dehydration any more than eating a varied diet does.
Water bottle companies can claim to provide hydration, but claiming to prevent dehydration is a different thing.
Some sort of illness or being stranded in a desert are the only scenarios I can think of where only water prevents dehydration, and then you need Gallons of the stuff.