Live in a polluted area? It may
make you obese
Exposure to air pollution leads to obesity and makes
people prone to other lifestyle diseases such as hypertension and heart disease,
a study has revealed. The study published in the Journal of Federation
of the American Society of Experimental Biology said surveys have
shown that high exposure to air pollution also
increases insulin resistance, which is the precursor of diabetes Type
2. ‘The link between air pollution and obesity is indeed a new
subject of concern. While it is already well established that toxic air is
causing more damage than just to the respiratory system, but its link with
obesity is certainly worrisome, because then indirectly it will also lead to a
rise in obesity linked complications, like hypertension, heart diseases and
type 2 diabetes etc,’ it said.
Researchers reached the conclusion after they placed
pregnant rats and their offspring in two chambers, one exposed to outdoor air
and the other containing an air filter that removed most of the air pollutant
particles. After 19 days, the lungs and livers of the pregnant rats exposed to
the polluted air were heavier and showed increased tissue inflammation. These
rats had 50 percent higher LDL (bad) cholesterol and 97 percent higher total
cholesterol. Their insulin resistance level, a precursor of Type-2 diabetes,
was also higher. At eight weeks old, female and male rats exposed to the
pollution were 10 percent and 18 percent heavier respectively than those
exposed to clean air.
Talking on the prevention of obesity due to air pollution,
S.P. Byotra, head of the department of medicine at Sir Ganga Ram Hospital,
said: ‘Given the level of pollution people are exposed to in metros, installing
air purifiers at home can be one of the best solutions for air pollution, which
is a cause for various types of diseases.’ According to the study published in
the Journal of the American College of Cardiology in 2015, indoor exposure to
fine particulate matter (PM 2.5) from outdoor sources was a major health
concern, especially in highly polluted developing countries.
Source: www.thehealthsite.com
01.04.2016
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