Things should be looked at from a different angle and not in a direct comparison. Although still an important factor, blue light radiation is far less potent than ultraviolet (UVA and UVB). In fact, UVB and UVA are the main and most significant external sources of premature skin aging, wrinkling, as well as skin cancer. The emission of blue light from electronic devices is significantly lower than that of the sun. Therefore, normal screen usage is unlikely to result in accelerated aging.
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