For optimal health you should aim to drink at least 8 glasses of water per day.
But if you cannot get 8 glasses of water down per day then drinking at least 2 glasses of water per day is better than nothing.
Water is the best drink for hydration and for health and water helps to flush out toxins in your body especially if you drink too much other drinks such as soda.
Drinking the water helps to flush out your kidneys and keep your kidneys healthy and prevents kidney disease from developing.