Believe it or not, studies show that people are more susceptible to dehydration when exercising during the cold than in the warm. As it is necessary to wear extra layers of clothing during the colder months, you actually sweat more and generally do not even realise it because the perspiration is absorbed by the extra layers. Although you may feel like you are freezing, you are still losing essential moisture simply because you are breathing. Thus, a lot of people do not feel as thirsty in winter as they do when they are sweating in the summer, and as a result they do not drink nearly enough water.This winter dehydration phenomenon is especially common when you are skiing. You are usually wearing even more layers of clothes than usual and are flying down slopes at speed in the cold air, and you are having fun, so it is pretty easy not to notice you are thirsty. There are, however, lots of easy ways to help you take precautions in order to stay hydrated when you go skiing.First of all, always carry your own water. The act of