However, recent studies have indicated that this habit may do more harm than good, reports Telegraph.
Experts say much fluid during a meal can lead to abdominal bloating, bad digestion and absorption of bad foods. In other words, should not drink at least 30 or 60 minutes of water before and after a meal. This is a golden rule, which must hold to guard against digestive problems.
However, if you are very thirsty and can not hold, then drink water in very small quantities.
Also, should eat food slowly and try to consume sour foods to improve your metabolism.