I am 67 years, young, I have had breast cancer in 1999, so far so good. No Chemo, and I have been a hairdresser since my late 20 s. I have had sleep & depression issues for years.My legs wake me up during the night as well as back pain. I try not to take pain medication, because it messes up my system, but by 2:00 OR 3:00 am, I will take what ever. My knee started hurting, shooting pain to touch. I can see some movement of fluid ( ? ) from left to right , on my right knee. I am using ice & elevation.