Health Effects of Chlorine

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Bladder Cancer

A case study in Ontario Canada (www.ncbi.nlm.nih.gov) revealed results indicating the risk of bladder cancer increases with duration and concentration exposure to chlorination byproducts. The study placed the attributable risk to the population at close to 16 percent, which is a significant risk.

Colon Cancer

A case study in 1997 highlighted the link between drinking chlorinated water and developing colon cancer. The results showed definitively that exposure to chlorination byproducts in your drinking water is associated with an increased risk of colon cancer. www.ncbi.nlm.nih.gov

Heart Trouble

Dr. Joseph Price linked chlorinated drinking water to arteriosclerosis, in which plaque composed mainly of cholesterol builds up inside arteries. Arteriosclerosis has been linked directly to increased risks of heart attacks and strokes. www.whale.to

Asthma

Studies done by Marywood University confirmed links between chlorine and asthma in small children. While the studies were built around swimmers and pools, the source of the issue was the ingestion of chlorinated water. www.ncbi.nlm.nih.gov Hodgkins Disease

Dementia

A link between chlorine and dementia is currently being studied. Studies have discovered that patients with dementia have a much higher chlorine level in hair samples than those patients that do not have dementia. www.ncbi.nlm.nih.gov

Rectal Cancer

A study conducted between 1992 and 1994 in Ontario Canada (www.ncbi.nlm.nih.gov) found significant corolation between chlorination and rectal cancer cases (661) and colon cancer cases (767) over a 30 year span. In men, colon cancer risk was associated with the cumulative exposure of THMs, the duration of exposure to chlorinated surface water and the level of the THMs in the water supply.

Breast Cancer

Recent studies have discovered a link between common chlorine disinfectant and breast cancer. A study in Hartford Connecticut discovered that women suffering from breast cancer have 50-60% higher levels of organochlorines (a recognized chlorine byproduct) in their breast tissue than women that are cancer free. (www.ncbi.nlm.nih.gov)

Pregnancy

Two individual studies released in 2002 reported a higher risk of miscarriage and birth defects in newborns. These concerns were despite the fact that the EPA and released more stringent guidelines in the levels of THMs in the water supply. (www.ncbi.nlm.nih.gov)

Immune System

Chlorine is put in your water because it is an effective bacteria killer. Unfortunately it is as dangerous to the good bacterias in your body that help keep you healthy as it is to the bad bacteria it is meant to protect you against. (http://orthomolecular.org)

It is no real surprise that a chemical that was effectively used as a weapon in WWI can have some adverse effects when consumed in drinking water. As with the case of fluoride and many other additives, the dose makes the poison.

Unlike others, there is a cumulative effect with chlorine that can possibly lead to health issues when ingested over a length of time.