There are some interesting products designed for motor bike riders in the cold , or hunters in the winter etc which are little gel pads which give off heat for a couple of hours you put them in your boots or gloves or straps around the knees!
You could try thermotherapy! http://www.google.co.uk/url?sa=t&so...ma5Y8J&usg=AFQjCNHxbeypbOxP-KAN-OfEeXb5Dusn9A
Ruins the Hell's Angel image though - big tough bikies All those options can be found here http://www.amazinghealth.co.uk/hand-warmers.htm
There are some ancient practices in yoga and Tantra !! that use application of heat and cold can be very beneficial
And some that can be less than beneficial too - depends entirely where you apply said heat and cold! - said-he-thinking-of-a-dalliance-with-a-Korean-lady-many-years-ago
We think we've got health problems - check out this poor sod: http://www.lvrj.com/health/las-vega...-1-million-for-surgery-131962533.html?ref=533
As much as I hate this saying Oh my God!!! Poor bloke Buster gonad and his unfeasibly large testicles comes to mind from Viz, didn't he use a wheelbarrow?