Air Pollution may harm your bones
Level of air pollution may be weakening the bones of Indians, as well as increasing risk such as lung cancer, stroke, respiratory diseases, warns a study.
The study analysed the association between air pollution and bone health in over 3,700 individuals from 28 villages outside the town of Hyberabad.
The results, published in the journal JAMA Network Open, showed that exposure to air pollution, especially to particles, was associated with reduced levels of bone mass.
Regarding the possible mechanisms underlying this association, he said “inhalation of polluting particles could lead to bone mass loss during the oxidative stress and inflammation brought on by air pollution”.
For the analysis, the authors used a locally-developed model to estimate external vulnerability at residence to air pollution by fine particulate matter (suspended particles with a diameter of 2.5 micrometre or less) and black carbon.
A questionnaire also filled on the kind of fuel used for cooking. The authors connected bone health evaluated using a unique sort of radiography that measures bone density, known as dual-energy x-ray absorptiometry, and measured bone mass at the lumbar spine and the hip and this information.
Annual average exposure to ambient PM2.5 was 32.8 micrograms per cubic metre air — way above the maximum levels recommended by the World Health Organisation (10 micrograms per cubic metre air).
The researchers found an association between exposure to poor bone health and air pollution. No correlation was found with use of biomass fuel for cooking.
Osteoporosis is a disease in which quality and the density of the bone is reduced. It is responsible for a considerable burden of disease and its prevalence is expected to increase because of ageing of the populace.