This blog may help people explore some of the 'hidden' issues involved in certain media treatments of environmental and scientific issues. Using personal digital images, it's also intended to emphasise seasonal (and other) changes in natural history of the Swansea (South Wales) area. The material should help participants in field-based modules and people generally interested in the natural world. The views are wholly those of the author.
Wednesday, 31 March 2021
Red Wine and Cataracts
In England, the National Health Service performs around 450,000 cataract operations every year. Cataracts (opaque areas in the lens of the eye) are the major cause of blindness, especially in older people. A study now suggests moderate drinking reduces the risk of developing cataracts (https://www.theguardian.com/science/2021/mar/31/british-study-links-alcohol-with-lower-risk-of-developing-cataracts). The study was carried out by Moorfield Eye Hospital (London) and University College of London's Institute of Opthalmology. It analysed life-style data (always a bit dodgy, as it is based on self reports) for almost half a million participants. People consuming up to 14 units of alcohol per week (this is classed as 'moderate') had an around 23% reduced risk of developing cataracts. The study suggested red wine was most beneficial, as it contains antioxidants. Antioxidants may counter cataract formation. Perhaps we will be able get red wine on prescription? Moderation is, however, the key.
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