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Oct 11, 2012

Look out! Excessive Coffee Drinking Causes Blindness


Drinking coffee taste [Antaranews]


Jakarta - Coffee when consumed appropriately can bring benefits. But when taken in excess, can bring risks, even fatal.
A U.S. study revealed that drinking more than three cups of coffee a day can increase the risk of vision loss and even blindness.
Even the normal amount of coffee drank too, can worsen the condition of patients with glaucoma.
The study, published in the journal Investigative Ophthalmology & Visual Science, as quoted by Reuters, suggest that coffee lovers reducing coffee consumption, to avoid the risk of blindness.
The researchers, from Brigham and Women's Hospital in Boston, shows that compounds found in coffee may increase tension in the eyeball, which causes damage to the retina. Automatically worsen the condition of glaucoma.
But there is no correlation with other caffeine products, such as tea, cola or chocolate.
The latest study involved more than 120,000 people in the UK and the U.S., including more than 40 people with glaucoma.
The respondents were asked to fill out questionnaires about how much coffee they drank, and examination of the medical records relating to the history of glaucoma. Those who drank more than three cups a day had an increased risk of glaucoma compared with those who did not drink coffee.
Women with a family history of glaucoma are also at increased risk, as quoted from dailymail.
Glaucoma occurs when the tubes in the eyes of drought, so that the vision becomes impaired.
The tube is functioning so that no eye fluid buildup. If the fluid can not flow properly, there will be tension in the eye area. This can damage the optic nerve, especially those connected with the brain, the nerve fibers of the retina. (TMA)

source:  Gatranews

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