Answer:
I lose my head in the morning and regain it back at night. What am I?
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
I have feet on my head
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
My first though water cures no thirst my next alone has soul and when he lives upon my first he then is called my whole.
No matter how little or how much you use me, you change me every month.