Dust
Dust
Dust (/dʌst/) is a general term used to refer to fine particles that are airborne or that settle on surfaces. The term is derived from the Old English dust, which is akin to the Old High German tussta, meaning "thunderstorm".
Dust can originate from various sources, including soil, pollen, human and animal hairs, textile fibers, paper fibers, minerals from outdoor weathering, human skin cells, burnt meteorite particles, and many other materials.
Health Effects
Inhalation of dust can have various health effects, depending on the nature of the dust particles. Some dust particles can cause allergic reactions and asthma attacks, while others can cause silicosis, asbestosis, or even lung cancer.
Allergic reactions and asthma attacks are caused by the immune system's response to substances in the dust, such as pollen or mold spores. Silicosis is a lung disease caused by inhalation of silica dust, which leads to inflammation and scarring in the lungs. Asbestosis is caused by inhalation of asbestos fibers, which can cause lung tissue scarring and shortness of breath. Lung cancer can be caused by inhalation of dust containing certain carcinogens.
Dust Control
Dust control measures are often implemented to reduce the amount of airborne dust in certain environments, such as construction sites, mines, and homes. These measures can include the use of water sprays, dust collectors, and air purifiers.
Dust collectors are devices that remove dust from the air. They can be simple devices used in homes, or large industrial systems used in factories or mines. Air purifiers are devices that remove contaminants from the air in a room, including dust. They are often used in homes to improve indoor air quality.
External links
- Medical encyclopedia article on Dust
- Wikipedia's article - Dust
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