I heard that.
Try this stuff:
http://www3.revivalsoy.com/index.lasso?flash6=yes It works.
Last winter I spent most of my time standing outside in the middle of the night in my jammies. [at 10-20 degrees, no less]
I started using it in March of last year.
This winter was much, *much* better.
I noticed a lot of improvement in just a week.
[your mileage may vary]