leaning down to long,on your knees for a very long time,bashing it at work,falling on to it and other spine injuries in your medical history.
Sex
Lactic acid causes muscles to ache
No, the acid causes more of a stomach ache.
not sure about indigestion but yes! it causes back ache.
Your scalp can ache if you have had your hair pulled back tightly. It can also ache if you have a migraine headache.
Yes it does.
Unsure
it is not really that many but like back ache and stomach ache
Joints ache and bones are soft and tender.
kidney stone
It's caused by heavy stress, it is very commen to get a neck and head ache in the back of your head towards your neck when you are stressed
Go see a doctor ASAP.