India, March 6 -- It is common knowledge that cleanliness is one of the cornerstones of maintaining a healthy living environment. While we usually focus on cleaning ourselves, the rooms, and dishes, there is one thing of daily use that may slip our minds: water bottles.

Due to the obvious presence of moisture, reusable water bottles can become a home for bacteria and mould, and cause various health issues.

Taking to Instagram on March 6, Dr Kunal Sood, a Maryland-based physician in anesthesiology and interventional pain medicine, explained how often one should clean their water bottles, and what is the best way to do it.

According to Dr Sood, water bottles need to be cleaned daily, just like their use, to prevent the build-up of both m...