It studied flu and climate data from 78 sites in 40 countries and concluded that rain and humidity are key factors for flu epidemics in tropical regions while cold winter is the main cause in temperate regions. .
The results have been substantiated by research that common viral agents like rhinoviruses and corona viruses replicate more easily in cool (not too cold) weather conditions. The virus’s protective covering or envelope gets weakened in summer as its protective gel melts to a liquid due to warmer temperatures rendering its malignancy ineffective. But in colder conditions the same envelope thickens to a rubbery gel protecting the virus as it passes from person to person
While the virus is getting stronger, the inclement weather in monsoon season is making you weaker. When you get wet in monsoon your body surface temperature falls and this constricts the blood vessels in the nose and this enables the already-present cold virus to multiply quickly to blow-up quickly into full sickness. The common cold centre located at Cardiff University has proved this theory with a study in 2005. As per which, people who had their feet immersed in cold water for a duration of 20 minutes were more susceptible to get a cold in the following days than others who were in the study.
Wet weather & asthma: rainfall is known to increase and stir-up mold spores, a form of fungi that is much smaller than pollen grains and therefore easily bypass the normal filters of the nose. The cold and damp air makes breathing difficult for people with asthma and a form of spore identified as alternaria that thrives in such conditions causes a life threatening asthma attack . The virus responsible for the common cold can sometimes lead to bronchitis in people with low lung resistance. People with allergies and asthma, who breathe air through the mouth more are often susceptible as irritants, pollutants, and pollen easily enter the lungs
Arthritis & weather changes: rheumatoid and arthritic symptoms that are present as stiff joint or a dull ache in summer season can transform into a shooting pain in cold, damp weather. as per anecdotal evidence from patients and most experts. Cold damp weather conditions are ripe for aggravating aching bones, people may get increased pain in such conditions as they tend to be less active, which can cause joints to stiffen. This is a vicious cycle as one tends to feed another.
Humidity & Molds: mansoon brings in wet damp climate that raises humidity in your homes and becomes a breeding ground for molds. Mold growth inside homes is a cause for concerns as it triggers asthma and COPS attacks. Mold exposure is known to cause irritation of throat and lungs and worsens asthma, worsens coughs, wheezing, rhinitis and nasal congestion. The most common area for mold formation are thermaseal linings of fridge, wet clothes, exposed food products, ceilings etc
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