> Below the middle of UV, photons don't have enough energy to ionize anything. Thus begins "non-ionizing radiation", which as far as we know, just burns you Ph

> Below the middle of UV, photons don't have enough energy to ionize anything. Thus begins "non-ionizing radiation", which as far as we know, just burns you Photodissociation is not simply heating. Red light is for example known to affect the mitochondrial electron transport chain