The harmfulness of lead Lead poisoning significantly affects the human body and intelligence, children and pregnant women more obvious, due to the physiological characteristics of growth and development, lead to severe poisoning of pregnant women will be premature, miscarriage. Lead poisoning can affect the growth and intellectual development of infants and children, who cause dementia.
We can only reduce the lead content in drinking water to ensure that people's intake of lead.
The role of copper Copper is an indispensable trace element in human body, it is an important component of protein and enzyme in organism. It acts on the metabolic process of the organism and promotes many functions of the human body. Copper can also inhibit bacterial growth and keep drinking water clean and hygienic. More than 99% of the water bacteria disappeared after entering the copper pipeline for five hours. Copper is not permeable, whether it is grease, bacteria, viruses, oxygen and ultraviolet rays and other harmful characteristics can not penetrate it and pollute the water quality!
Copper tube can play a positive role in the health of human body. Copper exceeded the human body's harm: Although copper is an important essential trace elements, but if the excessive intake, but also easy to cause poisoning reaction. The damage is mainly caused by heavy metal ions copper.
When the body remnants of a large number of heavy metals, very easy to the body of the organ burden, especially the liver and gall, when the two organs have problems, maintain the body's metabolism will appear disorder, liver cirrhosis, liver ascites even more serious.
The harm of cadmium to human body
Causes high blood pressure, causes the cardio-cerebrovascular disease, destroys the bone calcium, causes the kidney function to be maladjusted.
The harm of chromium to human body
can cause numbness in limbs, mental abnormalities.
The harm of arsenic to human body will make skin pigmentation, leading to abnormal cutin. The carcinogenic effect of arsenide has been affirmed by IARC and has long latency effect.
Arsenic can cause skin cancer and lung cancer, but also can cause liver, esophagus, intestine, kidney, bladder and other visceral tumors and leukemia.