Use very carefully if you have metastatic cancers. This may release cancers that are "hiding" Always check with your doctors.if they haven't heard of it, get to a bigger hospital. EO's help,cancers so much, but we want the right effect.
From WebMD: "Piriformis syndrome is an uncommon neuromuscular disorder that is caused when the piriformis muscle compresses the sciatic nerve." http://www.webmd.com/pain-management/guide/piriformis-syndrome-causes-symptoms-treatments
Chinese and Russians have been using aluminum foil for a long time to relieve back pain and joint pain. This article will help you understand how you can use aluminum foil to ease your back, neck, knee or joint pain.