Ancient Greeks and romans thought that disease was spread by bad air leading to the miasma theory/hypothesis.
The Miasma theory is an obsolete Greek medical theory that suggested that diseases such as cholera, chlamydia, or the Black Death were caused by a miasma which is a noxious form of "bad air", also known as night air.
The Greek ward means Pollution and hence the theory opines that such diseases as mention above are caused and transmitted through air pollution.
Learn more about the Miasma Theory at https://brainly.com/question/20383859
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