Cough, cold? Cold balm for your feet!

Last year when I was away on a trip I got a bad cold and cough but did not want to get any medication as I was not sure of what it was being in a foreign country. Then a friend gave me a tip to put lots of cold balm on your feet, then put on warm socks and go to bed for the night under a warm blanket.
It really helped me to get rid of my cold and my cough - I was quite skeptical about this at first, but after trying it I was sold.