Joe Barry Mc Donagh from ezine articles says this,
"Nearly every function of the body is monitored and pegged to the efficient flow of water through our system. Water transports hormones, chemical messengers, and nutrients to vital organs of the body. When we don't keep our bodies well-hydrated, they may react with a variety of signals such as anxiety, which we would never think are related to our poor drinking habits."
And only for The Reality of Anxiety readers, here is where I got my information about the dangers of caffeine for anxiety suffers, and a diet to help eliminate anxiety.