Winter is a busy, festive time of year. It’s also a time when more people tend to get sick. What exactly is it about this time of year that encourages aches and sniffles? “Catching a chill” has long been suspected as a cause of winter ailments and, for just as long, has been dismissed as folklore.
Can You Get Sick from Cold Weather?
It is true that exposure to cold temperatures constricts blood vessels and reduces blood flow. Conceivably, this could weaken the immune system since it means fewer protective white blood cells make the rounds. But, cold weather alone will not make you sick. Harmful bacteria and viruses are to blame, although some are easier to catch and spread during cold, dry weather.
Human behavior is more responsible for the transmission of illness than cold weather. Behavior facilitates the transmission of the common cold and flu. During the winter…
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