Causes of Chronic obstructive pulmonary disease

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Inhalation of tobacco smoke. It is the principal cause of COPD.

Second-hand smoker receiving smoke from a nearby smoker

Passive smoker. There is consistently more risk to the passive smoker, especially during childhood.

DNA molecule or helix

Genetic and environmental factors. COPD is an example of the interaction between genetic and environmental factors, as different genes probably contribute to the development of the disease.

Other risk factors are:

Fire and smoke

Biomass. In some countries it is used as domestic fuel. The continued use of this type of fuel in poorly ventilated homes could be a cause of COPD in non-smokers.

Erlemeyer flask and measuring cylinder

Dusts (cereals, metallurgy) and chemical products (vapours, irritant substances and gases). In the work place they can cause COPD.

Substantiated information by:

Nestor Soler Porcar
Núria Seijas Babot

Published: 20 February 2018
Updated: 20 February 2018


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