It is recommended that we need at least 2 liters of fluid every day to keep our body healthy. It may be in the form of water, milk or tea. Fruit juices and cold drinks contain sugar contents that are why it should be taken at the times of meal. If there is extremely hot weather or you are going through a physical activity, then our fluid requirement increases. At these times due to sweating and faster breathing, there may be chances of dehydration. That is why it is necessary to drink more fluid to keep your body hydrated.