Hypochondria.
Lower back
kidneys
Very often lower back pain is a part of pregnancy. But if you just have lower back pain, it doesn't necessarily mean you are pregnant.
no
If it comes and goes you may have Rheumatiod arthritis. check it out with a doctor and get it loked after before it can cause too much damage.
All piercings hurt, there is always discomfort with any piercing and lower back dimple piercings are subject to rejections and infection more than any other piercings.
Scoliosis, if diagnosed at a curve more than 45 degrees (even lesser curves, can cause aches and pains in the lower back and knotting. Going to a chiropractor can help ease the pains and help with unknotting the muscles in your back.
It could be due to constipation. It would put pressure on your lower back, as well as possible bowel discomfort.
its usually stress or when your really tired
It is bad for you. Your eardrums and hearing get lower and lower till your pretty much needing a hearing aid. Your back of your eyes will hurt and start to get worse aswell.
That's a bit of a silly question, all piercings hurt, but if you really want it, it isn't that painfull.