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You are here: Home / Health / Radiation causes blindness in wild animals in Chernobyl

Radiation causes blindness in wild animals in Chernobyl

April 21, 2021 by Captain Organic Planet

Vast amounts of radioactive particles spread over large areas in Europe. These particles, mostly Cesium-137, cause a low but long-term exposure to ionizing radiation in animals and plants.

This chronic exposure has been shown to decrease the abundances of many animal species both after the Chernobyl and later Fukushima nuclear accidents. Damage caused by acute exposure to high radiation doses have been demonstrated in numerous laboratory studies, but effects of chronic exposure to low radiation in the wild remain largely unknown.

New research now suggests that chronic exposure to low radiation can cause damage to the eyes of wild animals. This is shown in an international study led by researchers Philipp Lehmann and Tapio Mappes from the University of Jyväskylä, Finland, which recently was published in the journal Scientific Reports.

In the study higher frequencies of cataracts were found in the lenses of bank voles which had lived in areas where background radiation levels were elevated compared to areas with natural radiation levels. Cataract frequency increased with age in the voles, similarly as in humans generally. In addition, the effects of aging intensified as a result of elevated radiation.

Interestingly the effect of radiation was significant only in female voles. Also in humans there are indications for high radiosensitivity of lenses. Persons with occupational exposure to radiation, such as radiology nurses, nuclear power plant workers and airline pilots have increased risk of cataract, but potential gender differences in radiosensitivity should be further studied.

Reasons for the gender differences in wild mammals are still largely hypothetical. However, the present study suggests that increased cataract risk may be associated with reproduction, as female bank voles who had severe cataracts received fewer offspring. Whether poorer reproductive success was caused by cataracts or by radiation is still unclear, and will require further experimental studies.

Nevertheless these new results support observations of negative consequences of chronic exposure to low radiation on wild animals and whole ecosystems. Studying effects of chronic exposure to low radiation in natural ecosystems is highly important, as it will help to prepare for new nuclear accidents and predict their consequences, which can entail widespread effects that can persist for hundreds of years in nature.

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Filed Under: Health Tagged With: blindness, cataracts, Chernobyl, radiation

Article Sources

  • https://www.nature.com/articles/srep19974

About Captain Organic Planet

C.O.P. (Captain Organic Planet) is on a mission to inform anyone with an open mind that our food is far from natural; it is synthetic and fake. I believe our food supply is contributing to most of our diseases. The sad thing is it doesn't end there. Everywhere around us are dangers; in our household, in our water, and in your shampoo. Every aspect of your life is contributing to your health, wellness, sickness and disease. Challenge Conventional Culture. Live Life With An Organic Slant. L.iving O.rganically V.ibrates E.nergy

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