Fluoride occurs naturally in water. Levels in drinking water can range from insignificant to unacceptably high depending on the water source and the extent of treatment. In many locations where the fluoride levels are naturally low‚ fluoride is intentionally added to water supply systems to reduce the occurrence and severity of dental caries in children (EPA‚ 2010). Fluoridation of drinking water was named one of the ten Great Public Health Achievements in the 20th Century by the Centers for Disease
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Introduction: There are metal substances which have mixed up with the river water of Bangladesh. The substance is known as Arsenic in Bangladesh. It was first found in the West Bengal ten years ago (1995-96). Arsenic is both toxic and carcinogenic. It is in inorganic forms‚ dissolved in drinking water which is the most significant forms of natural exposure. Organic forms of arsenic that may be present in food are much less toxic to humans. Clinical manifestations of arsenic poisoning begin with
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WATER OUR LIFELINE Water is a transparent fluid which forms the world’s streams‚ lakes‚ oceans and rain‚ and is the major constituent of the fluids of living things. As a chemical compound‚ a water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Water covers 71% of the Earth’s surface.[1] It is vital for all known forms of life. On Earth‚ 96.5% of the planet’s water is found in seas and oceans‚ 1.7% in groundwater‚ 1.7% in glaciers and the ice caps of Antarctica
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of purified water again. Due to the people of the United States drinking billions of gallons of water daily‚ the amount of purified water we drink is starting to run out which is causing a problem already. Psychological studies have shown humans still don’t accept water being reused even after knowing the water is purified and perfectly clean. Advocates are still against ultraviolet machines being used to clean and purify water. While some people believe that drinking recycled water is both repulsive
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Choose Water it Will Prove Better! Should I drink the sports drink or should I drink water? The answer is simple‚ water is better because it will provide you with all of the nutrients and minerals you need plus it will rehydrate you. Our bodies are made of over 75% water‚ so the logical choice would be to fill our bodies with water. It seems that in one sentence I should be able to convince you that water is definitely the right choice‚ just in case it does not‚ here is more reasoning. Water
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Drinking too much water can lead to hyponatremia‚ water intoxication‚ water poisoning and death Liquid H2O is the sine qua non of life. Making up about 66 percent of the human body‚ water runs through the blood‚ inhabits the cells‚ and lurks in the spaces between. At every moment water escapes the body through sweat‚ urination‚ defecation or exhaled breath‚ among other routes. Replacing these lost stores is essential but rehydration can be overdone. There is such a thing as a fatal water overdose
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Intro – “Over 4‚000 children die every day from water related diseases. In fact‚ more lives have been lost after World War II due to contaminated water than from all forms of violence and war. This humanitarian catastrophe has been allowed to fester for generations. We must stop it.” [Herald Tribune] It is because I agree with Mikhail Gorbachev‚ that I must affirm today’s resolution. Resolved: Access to drinking water ought to be valued as a human right instead of as a commodity. The value
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Sports Drinks vs. Water Some people think sports drinks replenish your fluids better than water while playing sports. Some say water replenishes better than sports drinks. According to some scientists sports drinks include many sugars and electrolytes that water does not have. Others say that those sugars and electrolytes actually dehydrate more than they hydrate. They say that water is much better than these drinks. Sports drinks are being used by people who are not even active‚ they just like
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Water pollution Water pollution is the contamination of water bodies . Mostly water pollution occurs in lakes‚ rivers‚ oceans‚ aquifers and groundwater. Water pollution occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatmentto remove harmful compounds. Type of water pollutions There are many types of water pollution because water comes from many sources. Here are a few types of water pollution: 1. Nutrients Pollution Some wastewater‚ fertilizers
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A 2007 study finds that discharge of untreated sewage is the single most important cause for pollution of surface and ground water in India. There is a large gap between generation and treatment of domestic waste water in India. The problem is not only that India lacks sufficient treatment capacity but also that the sewage treatment plants that exist do not operate and are not maintained.[1] The majority of the government-owned sewage treatment plants remain closed most of the time due to improper
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