iv been getting problems with my back. Right at the bottom of my spine the tail bone has been aching me for months and i carnt sit for over an hour without it aching. Now it feels like its moved up to my lower back it feels really week and achy all the time. my Hands are also aching me the bones especilly when i use computer mouse and key board. Iv been really tired recently and been having the odd stomache pains also iv been light headed. and feeling sick and not full like iv eaten already when i havnt had anything. I am 26 and female and have no previous medical history