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A 2018 study found that tap water has fewer microplastics than bottled water, making it a likely better bet. Filtering your water is another possible way to decrease microplastics in drinking water.
More recent research has found that typical water bottles have far higher levels: 240,000 particles per liter on average, taking into account smaller fragments known as "nanoplastics." The ...
And drinking bottled water may not be a perfect solution either. Besides being expensive, a study from 2021 found that 39 out of 101 different bottled waters that were tested also contain some ...
Fluoridation became an official policy of the U.S. Public Health Service by 1951, and by 1960 water fluoridation had become widely used in the U.S., reaching about 50 million people. [2] By 2006, 69.2% of the U.S. population on public water systems were receiving fluoridated water, amounting to 61.5% of the total U.S. population. [3]
Fluoridation does not affect the appearance, taste or smell of drinking water. [1] Water fluoridationis the addition of fluorideto a public water supplyto reduce tooth decay. Fluoridated water contains fluoride at a level that is effective for preventing cavities; this can occur naturally or by adding fluoride.[2]
In 2008, U.S. bottled water sales topped 8.6 billion US gallons (33,000,000 m 3) for 28.9% of the U.S. liquid refreshment beverage market, exceeding sales of all other beverages except carbonated soft drinks, followed by fruit juices and sports drinks. [3] By 2011, this number had risen to 9.1 billion gallons. [4]
The study concluded that four (yes, only four) bottled water brands have a pH and fluoride level safe for your teeth: Fiji, "Just Water", Deer Park Natural Spring Water, and Evamor.
An annual supply of bottled water for a person who consumes 8 glasses a day would cost approximately $200; the same amount of tap water would cost approximately $0.33. In general, women are more likely to drink bottled water than men, and Hispanic women are the group most likely to drink bottled water." [81]