Studies conducted by an International Group of Scientists imply that the DNA present in the human body undergoes changes seasonally. This research is a pioneer in its regard for providing an insight into the common occurrence of instances of cough and cold in people during the winter months.

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The BBC News reports that 160,000 subjects from all over the world took part in the study and 22,000 genes were scrutinized, which incidentally formed the total genes possessed by a human being. It was then found out  that a quarter of these reacted to seasonal variation, hence, affecting the chemistry of the body.

Professor John Todd of the Cambridge University in U.K. remarked that the study, particularly focusing on the immunity and inflammation genes, would explain as to why people of a certain region were more prone to a disease at a particular time of the year.

Varied patterns were observed from people of varied regions with Equatorial inhabitants experiencing inflammation and low immunity during rainy season hence increasing the instances of Malaria. On the other hand, fewer changes were found in Icelanders by the researchers. They went on to add that inflammation leads to an increase in the instances of Rheumatoid Arthritis, Type 1 Diabetes and Heart Diseases especially during the winter months of January, February and March in regions like the UK.

Chris Wallace, an immunologist at the Cambridge University expressed his inability to specifically point out as to how these seasonal changes were triggered. Considering behavioral changes as a prime factor, he spoke to the Wired and concluded that the change is triggered by something environmental such as Daylight Hours and Temperature.

Nature Communications published the bizaare findings of this study.

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