ENVS131 Lecture Notes - Lecture 4: Endocrine Disruptor, Radon, Hepatitis

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Virus are so tiny, they can get around water filtration systems and cause diarrhea. Only hepatitis a causes a different reaction from most viruses (e. g. liver inflammation) Parasites are in the water where sewage and animal waste are connected to drinking water and can cause diarrhea, vomiting. Radionuclide: these are possible to find in water. Radon gas (more common in indoor air than in water) If it is detected in the indoor air, it is guaranteed to be in the indoor water: radon comes from soil (e. g. house built on soil with uranium). During the breakdown of uranium, radon is yielded and enters the house through indoor air through holes) Damage to dna and our genetic material, increase risk of getting cancer. Arsenic: can be found in the natural environment or in industrial environment. Can be consumed over a long period and cause skin damage, skin discoloration, affect circulatory system. Fluoride: added to drinking water to prevent dental damage.

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