It is the disproven belief that diseases are "caused by inhaling air that was infected through exposure to corrupting matter, ...

Germ theory, formalized in the 19th century by Louis Pasteur, replaced the once-dominant “miasma theory,” which held that disease stemmed from foul-smelling air or vapors from rotting organic ...

Health Secretary Robert F. Kennedy Jr. apparently embraces the outdated "miasma theory" of disease instead of the widely accept "germ theory" of disease, which may help explain some of the actions ...

Health and Human Services Secretary Robert F. Kennedy Jr. (R) and Food and Drug Administration (FDA) Commissioner Martin Makary at the White House in May, when Kennedy released a Make America Healthy ...

You can’t win every debate about infectious diseases and vaccines, but you can protect your credibility and sanity. Here’s how to talk to a germ denier without burning out.