In a particular condition, 5 water type following can become poisonous other nitrite and matter and destroys, can cause certain damage to human body:

Obsolescence water:

Or recognized as death water, mean old on file and is not applied drinked. If often consumes such a water, can cause sumsi water that way, can cause slowing metabolism of immature children cell, as a result influences growth of his body, ageing at middle aged men would be gather way, ratio the happening of gastric neoplastic disease and throat cancer in a large amount of increasing area, this possibly relates to frequently consumes obsolescence water. Poisonous matter in obsolescence water would continuously increase, this possibly relates to frequently consumes obsolescence water. Poisonous matter in obsolescence water. Poisonous matter in obsolescence water would continuously increase and increases along with a period of water storage.

Water boils stripper:

Water boils stripper is water which has boiled along the length of night or have been long enough been stove. Water that way, because a period of to be too stripper, so that matter that is is not atmosphere in water like calcium, other magnesium or heavy metal content and very nitrite height. If drinks water like this on a long term, can bother function of stomach and intestine, happened temporary diarrhea, flatulent stomach, poison using nitrite can result oxygen defiency organism, if hard can be faint and spastic, even death.

Steam pan water:

What intended steam pan water is kettle water mantou or steam waste water, steam pan water applied repeatedly; concentration of the nitrite is very height. If often consumes water that way, or cooks mush with water that way, can cause poisoned nitrite, frequently diffuses to body to follow water, can cause change of pathologies at digestive system, nerve, channel kemih, and blood making, even can result premature ageing.

Water which is not cooked:

Water work water which we are consumption, altogether through chlorine process. In water processed by chlorine can dissociate 13 matter types to harm, between of halogen carbon hydrogen, chloroform having effect causes cancer and handicap. when water temperature reaches 90 C, halogen hydrocarbon rate that is initially its(the 53 mg/kg rising becomes 177mg, 2 times more higher from health standard of national drinking water specified. related expert says, that possibility is infected by urinary bladder euplastic disease an intestine axis cancer with consuming water which has not been cooked increases 21-38%. when water temperature reaches 100 C, both matters destroying this will decrease is drastic along with evaporation, and safe is consumed if it is boiled again during 3 minute

Ripe water returned:

Something accustomed drinks ripe water returned from water remaining in thermos, the purpose is economize water, economizes embers stone (gas,) and time but “thrift” this improper. Because water which have been cooked then is braised again, makes water to evaporate again, so that thereby the nitrite will increase, and if often consumes water that way will become heaping of nitrite in body.