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LED lamps can 'adversely' impact human health JK Govt's Ujala scheme may fall flat 12/21/2016 11:37:43 PM Ishtiyaq Ahmad Early Times Report srinagar, Dec 21: As under the UJALA scheme launched in the state, light-emitting diode (LED) lamps are being distributed among people in Jammu and Kashmir; an American study has stated that such LEDs can adversely impact human health. The JK Government has launched UJALA scheme under which consumers can purchase up to 5 LED bulbs at a rate of Rs. 20 each bulb by showing their electricity bill or the identity cards. The basic aim according to government was to provide easy and efficient light energy to every household therefore. The scheme is expected to bring the electricity bill down for the consumers and saves the electricity for the state & for the nation as well. But what is worrying that its light could have adverse impact on health. According to a report released by the American Medical Association (AMA) Council on Science and Public Health after looking at LED street lighting on US roadways found that blue light it emits can be "harmful". "The human eye perceives the large amount of blue light emitted by LEDs as white. Blue light directly affects sleep by suppressing the production of the hormone melatonin, which mediates the sleep-wake cycle in humans," the study says. The study has assumed significance in J&K as government launched the scheme which the power development department will distribute 80 lakh LED bulbs in the state which will help to reduce peak demand in the state by about 250 MW and will save energy consumption by 260 mKWh translating into an annual saving of about Rs 130 crore. LEDs are semiconductors that make old-fashioned light bulbs (incandescent) and even energy savers (compact fluorescents) look incredibly inefficient. The US report says that compared with conventional street lighting, the blue-rich white LED is five times more disruptive to sleep cycle. It has suggested that a long-term increase in the risk for cancer, diabetes, cardiovascular diseases and obesity caused by chronic sleep disruption due to exposure to blue light. "The excessive blue wavelength contributes to glare effects as a result of larger scattering in the human eye." Contrary to the popular notion that bright LED lighting increases road safety, the report says discomfort and disability glare caused by unshielded, bright LED lighting negatively impacts visual acuity, thus "decreasing safety and creating road hazards".   Share This News with Your Friends on Social Network     Comment on this Story

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