Increased sensitivity to the cold sensitivity to the cold Cold sensitivity, also known as chilly intolerance, is an uncommon discomfort experienced by certain people when they are exposed to a cold environment.The sensitivity to cold experienced by various people varies greatly, with some putting on multiple layers of clothes while others in the same situation feel comfortable with only one layer of clothing.Cold sensitivity is a typical aspect of aging, but it may also be an indication of a health condition, according to the Wikipedia article.People over the age of 65 have a thinner layer of fat under their skin, making them more susceptible to illness from the cold.Diabetes, peripheral artery disease, and renal disease are all conditions that can impede blood flow and cause the body temperature to drop.