One day, you don’t notice your neck at all, the next the sagging and wrinkling of the skin seems to have appeared overnight.

A neck collar, called a cervical collar ... make it hard for you to move normally in daily life. This damage can be permanent and lead to paralysis.

you could end up with chronic neck pain and permanent injury. There's not much you can do to prevent whiplash caused by an accident, of course. But there are some things you can do to improve your ...