Anxious,
There are no studies recognized by the FDA that confirm a linkage, however, I have read many articles, written by doctors, that agree there could be a linkage because the statin drugs interfere with muscle cells, etc. There have also been studies that indicate statins are of no help for women or the elderly. They are most useful for middle aged men with heart disease. I can't remember all the medical terms

. Don't know if stopping the statins would do any good at this time, but it couldn't hurt to start giving her COQ10 supplement. Do some more research, Dr. Graveline is a good place to start. I wish you and your mom the best.