Miasma theory posited that diseases were caused by 'bad air' or noxious vapors emanating from decaying matter. This theory was widely accepted before the advent of germ theory and modern microbiology.
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Miasma theory was a dominant explanation for disease transmission before the acceptance of germ theory.
It suggested that diseases like cholera, plague, and malaria were spread through 'miasmas' or bad air.
This theory influenced public health policies, leading to sanitation efforts aimed at reducing foul odors.
The theory was eventually disproven by scientific discoveries in microbiology, particularly through the work of Louis Pasteur and Robert Koch.
Despite its inaccuracies, miasma theory did contribute to improvements in urban sanitation and hygiene.