All of winter's irritations can cause a lot more than just discomfort, according to studies published in the Proceedings of the National Academy of Sciences. After examining healthy cells exposed to cold temperatures, the researchers found an unhealthy balance between core body heat and the immune system. That old wives' tale that our mothers told us relentlessly, to "keep warm or you'll catch a cold," delivers some truth. These clever winter hacks can help fight off even the most relentless cold this season. Not to mention, they will keep a tight budget in place. While keeping these tips and tricks in mind, remember to keep your house insulated properly. It is absolutely vital to our families' and pets' health and happiness.