'Only drink water when thirsty,' study suggests

'Only drink water when thirsty,' study suggests Popular notion holds that eight glasses of water is the optimal amount to drink each day, but many people find this hard to achieve. Now, a new study may shed light on why, after identifying a swallowing mechanism that stops us from consuming too much liquid when we are not thirsty.Given that around 60 percent of human body weight is made up of water, it is no surprise that water is essential for human health, aiding every bodily function.But how much water do we need to drink on a daily basis?While you may have heard that eight 8-ounce glasses