Cool! Do you like scientific research? Is that more interesting to you than people's personal stories? If so, you might like seeing a list of all the studies done. Or perhaps your wife might ;) This website displays it better than most: https://lighttherapy.no/pages/photobiomodulation-research?srsltid=AfmBOop4Wg1e0jFqW3gFVekplKImdDW6aKzy4KerwXrDSrtkHFoXr75B