The miasma theory (also called the miasmic theory) is an abandoned medical theory that held that diseases —such as cholera, chlamydia, or the Black Death —were caused by a miasma (μίασμα, Ancient Greek for 'pollution'), a noxious form of "bad air", also known as night air.

Apr 24, 2024 · The miasma theory, proposed by Hippocrates in the fourth century B.C., suggested that diseases were caused by “bad air” from decay and was widely accepted in ancient Europe and China.

In the mid-19th century, the miasma theory (i.e., the concept that airborne vapors or “miasmata” caused most diseases) competed with the germ theory (i.e., specific living microorganisms cause specific diseases).

The miasma theory was advanced to explain many important diseases, including tuberculosis and malaria (from mala aria, meaning "bad air"). Many eminent leaders of medical opinion were convinced that the cholera epidemics of the nineteenth century were caused by miasmas, even as the evidence mounted for the germ theory, which was gathering ...

Miasmatic theory of disease states that diseases were caused by the presence of miasma. Miasmas are poisonous emanations, from putrefying carcasses, rotting vegetation or molds, and invisible dust particles inside dwellings. Miasmas could be …

Sep 14, 2024 · Miasma theory was a widely accepted explanation for the spread of disease before the development of modern germ theory. It held that diseases were caused by “miasma,” a noxious form of “bad air” or pollution emanating from decomposing organic matter, rotting food, filth, or stagnant water.

Miasma theory is an scientific theory [dubious – discuss] no longer widely believed in where people believed that bad air known as miasma (a Greek word) caused many diseases such as cholera, chlamydia, and the Black Death.

The miasma theory (also called the miasmic theory) is an abandoned medical theory that held that diseases —such as cholera, chlamydia, or the Black Death —were caused by a miasma (μίασμα, Ancient Greek for 'pollution'), a noxious form of "bad air", also known as night air.

May 12, 2024 · Miasma theory definition: A historical belief that disease was spread by a poisonous vapor called miasma, filled with decomposing organic particles. Historical context: Prominent in ancient times, Middle Ages, and Renaissance, the theory was replaced by germ theory in the late 19th century.

Miasma: A poisonous vapor or mist believed to be made up of particles from decomposing material that could cause disease and could be identified by its foul smell. The miasma theory of disease originated in the Middle Ages and persisted for centuries.