New Delhi, Sept. 22 -- Water is one of the most essential things in life. It builds cells, regulates body temperature, and lubricates joints. Crucial as water is, humans conveniently forget to consume it.

Experts recommend consuming 15 ml of water per pound of body weight daily, and even more if one exercises in the hot sun. Yet, humans across the globe aren't hydrated enough.

Water, essentially H2O, has been dressed up in several avatars over the years to make it more appealing to humans: Sparkling water, alkaline water, cucumber water, and the latest fad, "loaded water".

Dehydration can cause fatigue, slow metabolism and increased sugar cravings, leading to weight gain.

"Most people are dehydrated without even realising it," a South...