Health: Gas stove poses more risk of respiratory diseases, American researchers reveal

NEW DELHI: Cooking on a gas stove emits more nanoparticles into the air than in vehicles running on gas or diesel. This can increase the risk of asthma and other respiratory diseases. This fact has come to light in a new study by Purdue University of America,according to reports.

Burning both indoors and outdoors remains a source of air pollution worldwide, according to Brandon Burr, a professor at Purdue's Lyles School of Civil Engineering who led the study.He said,cooking on a gas stove emits large amounts of tiny nanoparticles which easily enter the respiratory system and get deposited there.

The study published in the journal PNAS Nexus is based on nanoparticles dissolved in air. Their diameter is one to three nanometers. It is the perfect size to reach parts of the respiratory system and spread to other organs. During the research it was found that many particles rapidly spread to other surfaces.

The model then showed that about 10 billion to one trillion particles could accumulate in the lungs of an adult. This quantity is even more dangerous for children. The lesser the age of a person, the more this quantity will be accumulated. The study found trillions of particles were emitted within just 20 minutes of boiling water or making a grilled cheese sandwich or buttermilk pancakes on a gas stove.

Using state-of-the-art air quality equipment provided by German company Grimm Aerosol Technik, a member of the Durag Group, the researchers were able to measure these tiny particles down to one nanometer when cooking on a gas stove. The researchers found that 10 quadrillion nanocluster aerosol particles are emitted per kilogram of cooking fuel. These are more than the particles produced by diesel engine vehicles. How deadly these are can be estimated from the fact that 10 to 100 times more nanocluster aerosols are inhaled while cooking food on a gas stove indoors than inhaling car fumes while standing on a busy road.

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