Your bedroom may feel like the safest and most restful place in your home, but emerging research suggests it may also hide an unexpected risk to your skin health. While we often associate skin damage with sunlight and outdoor exposure, scientists are now turning their attention indoors. Artificial lighting, especially blue light emitted from LED bulbs, smartphones, tablets, and smart devices, may quietly contribute to skin damage over time. Because these light sources are so common and feel harmless, their impact is often overlooked.
Blue light, also known as high energy visible light, penetrates the skin more deeply than UVA and UVB rays from the sun. Unlike ultraviolet rays, blue light does not cause immediate burning or redness, which makes its effects harder to notice. However, studies suggest that long term exposure can lead to DNA damage in skin cells, increased oxidative stress, premature aging, and uneven pigmentation. In some cases, researchers believe this damage may also raise the risk of developing skin cancer, especially when exposure happens repeatedly over many years.
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