Health Knowledge Network

the water boil 3 to 5 minutes, nitrite and chloride content of harmful substances such as a minimum, the most suitable people to drink. Overnight

drink less water: nitrite in the human body can form cancer-causing nitrosamines. Some experts have found that boiling water in the nitrite content is higher than the raw water.

but prolonged boiling over and over again, or more than 24 hours of boiling water, nitrite levels were significantly increased. Boiling water for 24 hours after the nitrite content is just 1.3 times when boiled.

our residents have the habit of boiling water drinkers, it is better now burning day and drunk, or drink water. Do not drink the water boiling for too long.