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Sea air has traditionally been thought to offer health benefits associated with its unique odor, which is caused by
dimethyl sulfide Dimethyl sulfide (DMS) or methylthiomethane is an organosulfur compound with the formula . It is the simplest thioether and has a characteristic disagreeable odor. It is a flammable liquid that boils at . It is a component of the smell produc ...
, released by microbes.
Salt In common usage, salt is a mineral composed primarily of sodium chloride (NaCl). When used in food, especially in granulated form, it is more formally called table salt. In the form of a natural crystalline mineral, salt is also known as r ...
s generally do not dissolve in air, but can be carried by sea spray in the form of
particulate matter Particulate matter (PM) or particulates are microscopic particles of solid or liquid matter suspended in the air. An ''aerosol'' is a mixture of particulates and air, as opposed to the particulate matter alone, though it is sometimes defin ...
. In the early 19th century, a lower prevalence of disease in coastal regions or islands was attributed to the sea air. Such medical beliefs were translated into the literature of
Jane Austen Jane Austen ( ; 16 December 1775 – 18 July 1817) was an English novelist known primarily for #List of works, her six novels, which implicitly interpret, critique, and comment on the English landed gentry at the end of the 18th century ...
and other authors. Victorians mistakenly attributed the odor of sea air to
ozone Ozone () (or trioxygen) is an Inorganic compound, inorganic molecule with the chemical formula . It is a pale blue gas with a distinctively pungent smell. It is an allotrope of oxygen that is much less stable than the diatomic allotrope , break ...
. Later that century, such beliefs led to the establishment of seaside resorts for the treatment of tuberculosis, with medical beliefs of its efficacy continuing into the 20th century. However, the quality of sea air was often degraded by
pollution Pollution is the introduction of contaminants into the natural environment that cause harm. Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the component ...
from wood- and coal-burning ships. Today those fuels are gone, replaced by high sulphur oil in diesel engines, which generate sulphate aerosols.


See also

* Sea spray


References


Further reading

* Hassan, John. ''The Seaside, Health and Environment in England and Wales Since 1800''. Ashgate Publishing. Atmospheric chemistry Air pollution Oceanography Odor {{ocean-stub fr:Embrun marin ja:波飛沫 pt:Maresia