Yes, you do catch a cold not wearing enough warm clothes. Reason? Your body is busy trying to keep warm, and fighting again virus that is lurking around takes a second seat - so to speak. And Boom! You have a cold. That is just one of the reasons... Now you have a cold and there is not much you can do. Take a plenty of rest, vitamin C and lots of fluid. Eating pops and salad is pure ignorance when you have a cold. This is a true and tried method - Once you have a feeling you are coming down with a cold - you know gale me khas khas... you take an aspirin, dissolve in hot (bearable) water and gargle. Spit out. Presto! You are as good as new. The reason? Aspirin makes an inhospitable place for your Virus/Bacteria by changing the PH balance. Prcaution you can take - Start taking vitamins and especiall vitamic C from October/November- the cold season.