While research highlights the energy and cost efficiency of LEDs, experts warn that they may also be one of the most harmful sources of non-native electromagnetic field (EMF) radiation, posing serious long-term health risks.
Published Date – 16 March 2025, 02:42 PM
Hyderabad: LED lighting has become the preferred choice for public places, households, and workplaces, offering convenience and efficiency. However, many overlook its potential impact on human health.
While research highlights the energy and cost efficiency of LEDs, experts warn that they may also be one of the most harmful sources of non-native electromagnetic field (EMF) radiation, posing serious long-term health risks.
LEDs function as fluorescent lamps containing a blue LED, a driver LED, and a fluorescent sheet that converts blue light into longer wavelengths, creating a yellowish hue. The combination of blue and yellowish light results in the white light perceived by the naked eye.
According to experts, prolonged exposure to high levels of blue light can disrupt sleep patterns, leading to eye strain, headaches, and hormonal imbalances. Blue light wavelengths are also known to generate high levels of Reactive Oxygen Species (ROS), which contribute to increased cellular damage. Over time, this exposure may elevate the risk of chronic diseases while reducing the body’s ability to heal.
Despite these biological risks, LED lighting has been mandated in the U.S. and much of Europe for “energy conservation,” with little regard for its potential health hazards.
Alternatives
The healthiest and most natural source of light, sunlight, should be utilized during the day to maximize its benefits.
Additionally, incandescent bulbs, which closely mimic natural light, are a safer alternative as they limit adverse effects on the human body. Experts also recommend using candles, incandescent bulbs, or Himalayan salt lamps indoors for better health protection.
For those required to use LEDs, experts suggest opting for high-quality bulbs with a Color Rendering Index (CRI) close to 100 (which closely resembles natural light) and a color temperature near 2,700K, with minimal flicker, to reduce biological impact.