International medical insurance policyholders are being encouraged to wash their hands regularly to reduce their chances of catching a cold, which could require costly medication to treat symptoms.
According to author and broadcaster Dr Mike Smith, getting outside in the fresh air and eating a healthy, balanced diet can help starve off colds and viruses.
"The healthier you are the better your own immune system will be. That is what overcomes the viruses and sometimes stops them in their tracks before they produce their grotty symptoms," he explained.
Those with international health insurance could also avoid staying indoors for long periods of time, because when people crowd together to avoid the cold weather, germs can spread.
Meanwhile, research from pharmaceutical company Pfizer revealed that 'man-flu' could be negatively affecting men's health because more than half (52 per cent) of respondents believe the term is preventing them from seeking medical attention for a genuine illness.
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