for someone with chronic pain

i was at a facial a few months ago and i asked my facialist if red light is actually legit...or if it was just a trend. she explained the science behind it and it made me think about where else you can use red light. A week after that I went home to my parents' house and found that my dad (lol) is also on the red light wave for joint pain and it has been helping! so so cool and easy to use while watching a show or lying in bed. he uses this one.