Tea plants bioaccumulate fluoride, with green tea having the highest amounts. Industrial pollution increases fluoride in tea, and excessive consumption can cause fluorosis and increase cancer risk. The concern is for those who drink high volumes or live in heavily fluoridated areas.
There is indeed fluoride in tea, with green tea having the highest amounts of fluoride, as a general rule. The presence of fluoride in tea is caused by the tendency of tea plants to bioaccumulate, meaning they absorb a wide variety of materials from their surroundings and then store these materials. In areas where there is a large amount of fluoride pollution, tea plants accumulate fluoride and when the leaves of these plants are released they release the soluble fluoride inside. When tea is brewed with fluoridated water, obviously the amount of dissolved fluoride increases even more.
Several studies have been conducted on fluoride in tea, with most studies concluding that the amount of fluoride in tea is increasing, due to the increase in industrial pollution, which contaminates the air, water and the soil. The older a tea plant is, the more fluoride it tends to accumulate, with younger, more tender tea plants containing less fluoride simply because they have had less time to accumulate it. In some cases, four cups of tea can contain one-third of the recommended daily intake of fluoride before accounting for other sources of fluoride, such as water and dental care products.
Fluoride is a chemical that has been shown to be helpful in preventing cavities. In the 20th century, numerous communities began fluoridating their water and recommending the therapeutic use of fluoride to prevent cavities, and a general decline in tooth decay has been noted in areas of consistent fluidity, especially in people who care for their teeth. Fluoride is also generated as a byproduct in many industrial processes, which explains how it enters tea plants.
Excessive consumption of fluoride can cause a condition known as fluorosis, which causes discoloration of teeth and bones. Some studies also suggest that high levels of fluoride consumption may even increase the risk of certain cancers, making the fluoride in tea a concern for people who want to watch their health, especially since teas such as green tea are often recommended for health. cancer prevention.
The amount of fluoride in tea, for the time being, is only a major concern for people who drink a high volume of concentrated tea every day or people who live in areas with heavily fluoridated water. Several cases of fluorosis have been associated with the high consumption of tea in Asia, where some water is naturally fluoridated due to the dissolved minerals it contains.
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