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Most sufferers of asthma and allergies attempt to modify their environment to help cut down on the sneezing, sniffling and wheezing. Although physicians focus primarily on cutting down on air pollutants and toxins in the home, sometimes they overlook the part that ordinary tap water can play in asthma and allergies. 
Checking out your drinking water might be a good idea if you or a family member has asthma and allergies. A Belgian study recently concluded that chlorine, a common chemical added to water to help kill bacteria, could be making asthma in children worse. Fumes from chlorine in pools, and even in the shower, could trigger an attack in some people with asthma and allergies. Those who suffer from asthma and allergies are often sensitive to gases which are produced when chlorine sanitizes bacteria in sweat or urine. These gases can build up in an enclosed shower, irritating the lungs of children and adults who have asthma and allergies.
Other chemicals in drinking water can affect people with asthma and allergies. Fluoride is added to most municipal water supplies to help fight tooth decay in children, but fluoride can compromise the health of some people with asthma and allergies. Allergists have known for decades that documented cases exist of both adults and children with asthma and allergies who have suffered severe reactions to fluoride. In 1967, the Annals of Allergy published a study finding infants, children and an adult who had allergic skin reactions and asthma attacks after being exposed to tap water treated with fluoride. Households with members who have asthma and allergies can purify their tap water with Reverse Osmosis purifiers to eliminate chlorine and fluoride from their water.
A recent study found that dehydration could play a significant role in asthma and allergies. One researcher believes that the lack of water vapor in the lungs causes the airways to constrict and for the asthmatic's lungs to produce mucus, two factors that cause asthma attacks. The researcher recommends that people with asthma drink at least 10 glasses of water every day, along with a pinch of salt. It is also a good idea to avoid caffeine. This is because salt regulates water in the body and caffeine robs the body of needed water.
Interestingly enough, folk remedies for asthma and allergies bear out the water theory as well. Home cures include drinking hot water and inhaling steam from a bowl or kettle.
Reverse Osmosis purifiers can remove all the chemicals and pollutants from drinking-water by squeezing it through a semi-permeable membrane. This is the same technology used to desalinate seawater to turn it into drinking-water. The Reverse Osmosis method can remove virtually all of the fluoride and chlorine out of tap water. This can be helpful for the family member with asthma and allergies who has sensitivities to these chemicals.
People with asthma and allergies can control their home environment even more by removing chlorine and fluoride out of their tap water with a Reverse Osmosis water purifier, allowing everyone to breathe easier.