We’ve all wondered whether cold weather can make us catch colds—Dr. Amir Khan sheds light on the truth.
Debunking the Myth: Cold Weather and Colds
As winter approaches and the sniffles and blocked noses start to make their presence known, the question often arises: does venturing outside in the cold really put you at risk for catching a cold? Dr. Amir Khan, noted in a recent Instagram video, tackles this common misconception.
“My mum has always warned me about going outside in cold weather without a coat,” he says. “She even checks in with the doctor to confirm if I’m bundled up properly. So, is she right in saying that cold weather makes us catch colds? The truth is more nuanced than simply ‘yes’ or ‘no.'”
The Science Behind Colds
Colds are caused by viruses, not by cold weather itself. This means you can’t get a cold just by being cold. However, being out in cold, dry weather does impact your body’s ability to fight off viruses effectively.
“When cold viruses enter your nose, your nasal cells usually release vesicles filled with mucus to fight off the infection,” Dr. Khan explains. “But cold, dry air impairs this defense system, making it more difficult for the body to combat the virus.”
Scientific research supports this theory. A study published in The Journal of Allergy and Clinical Immunology found that cold and dry air can decrease the production and quality of mucus vesicles by over 40%. This decreased defense allows the virus to spread more easily, making illness more likely.
Protecting Yourself This Winter
While you can’t catch a cold by being cold, you can certainly increase your risk if your body’s defenses are weakened by exposure to cold, dry air. To stay healthy in the winter, dress warmly and keep your nasal passages moisturized.
“Cold hair is not just a look—it’s a strategy to keep your body warm,” jokes Dr. Khan. “But more importantly, invest in a warm winter coat and high-quality wool jumpers. This will help your body maintain the warm, moist environment it needs to fight off viruses.”
Additionally, following winter health tips, like staying hydrated and washing your hands frequently, can further bolster your immune system.
Conclusion: Cold Weather and Cold Myth
Dr. Amir Khan clarifies that while cold weather doesn’t directly cause colds, it can reduce your body’s ability to fend off cold viruses. So, next time you’re tempted to leave your coat in the closet, remember that wrapping up warm will help keep you healthy and sniffle-free this winter.
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