/ik now-pic . cdn . BCE Bos . com/6609 c 93d 70 cf 3 BC 7609 B4 df 6 DD 00 baa 1cd 1 12a 15 " target = " _ blank " title = " " class = " ikqb _ img _ alink " >； /iknow-pic . cdn . BCE Bos . com/6609 c 93d 70 cf 3 BC 7609 B4 df 6 DD 00 baa 1cd 1 12a 15？ x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/ 6609 c 93d 70 cf 3c 3 BC 7609 B4 df 6 DD 00 baa 1cd 12a 15 "/>
Experts summed up four kinds of water that can't be drunk:
First, aged water: commonly known as "stagnant water", that is, water that cannot be placed for a long time will obviously slow down cell metabolism, which may affect the growth and development of minors, and middle-aged and elderly people will accelerate aging. In addition, the incidence of esophageal cancer and gastric cancer is increasing in many places, which may be related to long-term drinking of aged water. Relevant data show that the toxic substances in aging water will increase with the increase of water storage time. It is recommended to drink it within six hours after the water is boiled.
/iknow-pic.cdn.bcebos.com/0eb30f2442a 7d933f886769a14bd1373f00183 "target =" _ blank "title =". /iknow-pic . cdn . BCE Bos . com/0 EB 30 f 2442 a 7d 933 ef 886769 a 14bd 1 1373 f 00 183？ x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/ 0 EB 30 f 2442 a 7d 933 ef 886769 a 14bd 1 1373 f 0 183 "
Second, distilled water: Many people confuse it with mineral water. After artificial purification, the purity of distilled water reaches 99.9%, but its pH value is acidic, so it is generally used in medicine.
Third, raw water: tap water.
/iknow-pic . cdn . BCE Bos . com/a 8 EC 8 a 13632762d 09d 6 e 27 a5 acec 08 fa 5 13 DC 65 c " target = " _ blank " title = " " class = " ikqb _ img _ alink " & gt； /iknow-pic . cdn . BCE Bos . com/a 8 EC 8 a 13632762d 09d 6 e 27 a 5 acec 08 fa 5 13 DC 65 c？ x-BCE-process = image % 2f resize % 2cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/ A8 EC 8 a 13632762d 09d 6 e 27 a5 acec 08 fa 5 13 DC 65 c 5c "/>；
Fourth, pure water: clean, but not functional, nor healthy water. It removes essential minerals such as potassium, calcium, magnesium, iron and zinc, which is not conducive to the nutritional balance of human body. The pH value is acidic.