There isn’t any concrete evidence to conclusively demonstrate that they can cause cancer.
However, it is widely recognized that prolonged exposure to UV and IR radiation is harmful to people. High levels of UV radiation produced by some contemporary grow lights are bad for your skin, eyes, and brain.
Those with a family history of skin cancer should exercise caution since LED grow lights emit UV light. A long sleeved shirt can help provide an additional layer of defense and prevent any cell damage or injury to your skin. Besides, it ‘s beneficial to keep the lights at least three feet away from you to protect your eyes.