Hot tea and the risk of glaucoma

The green star, also called glaucoma, starts slowly. It is often discovered by chance. In the context of the disease, the field of vision becomes increasingly limited, which can eventually lead to blindness. The causes of the green star narrow the blood vessels and, therefore, alter the blood circulation of the eye. In addition, high eye pressure, which can cause damage to the optic nerve, is seen in those affected. Researchers now believe that drinking hot tea regularly can significantly reduce the risk of cataracts.


Hot tea and the risk of glaucoma

Green Star is one of the most common causes of blindness and currently affects 57.5 million people worldwide. Unfortunately, in traditional medicine, as in most cases, there are no suggestions for effective prevention. The most interesting results are a study conducted by scientists at the University of California:

If you drink a cup of hot tea (black tea) once a day, at least, the risk of developing a green star always seems to have diminished considerably, since researchers in the December 2017 issue of the British Journal of Ophthalmology said . The interesting thing about this study is that coffee – whether with or without caffeine, decaffeinated tea, cold tea from drunk and soft drinks – does not have a similar effect on the risk of glaucoma.

Caffeine alone is not responsible for the protective effect of tea
Previous studies have suggested that caffeine can affect eye pressure. However, no study has compared the effects of non-caffeinated beverages with beverages containing caffeine with the risk of glaucoma. Since coffee has not been successful in the California study, it can be assumed that it can not be due to caffeine, at least not to caffeine alone.

For their analysis, the researchers used data from the National Health and Nutrition Survey (NHANES), in which 10,000 people participated. In general, ocular tests were performed among 1678 participants. 5 percent of adults already suffered from glaucoma.

The tea contains antioxidants and nerve and anti-inflammatory substances
The data analysis showed that those who drink hot tea every day have a lower risk of getting a green star than those who do not drink hot tea. Even if you have other possible influence factors, like. For example, if we consider diabetes or smoking, hot tea lovers are 74 percent less likely to have glaucoma.

Of course, this is a pure observational study, so it can not be assumed with absolute certainty of the causal effect of tea. Unfortunately, there are no details about the size of the cup, the duration of tea or tea, but this will be important, since all these factors can affect the effect of tea.

However, it is known that tea contains many antioxidants and anti-inflammatory plants and neuroprotective substances. All these plant compounds, according to California researchers, are already closely related to a lower risk of heart disease, cancer and diabetes. Since it is known that oxidative processes, as well as damage to the nerves involved in the development of glaucoma, it is expected that tea has antioxidant effect and the effect of nerves, which can have a significant preventive effect.

Many other measures reduce the risk of glaucoma, not just hot tea
Fortunately, infected people or people who wish to prevent glaucoma not only have the mysterious hope of escaping the disease with the help of hot tea. Because there are many measures that can be taken in case of impending glaucoma. We have come to these measures in detail here: Green Star: how to prevent, how to stop?

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