Assertion: prion | /r/AtLocation | the body
Facets:
value: naturally
type: MANNER
Source sentences:
text: Prions are naturally occurring in the body and are not considered foreign nor do they stimulate the immune system and will not hurt your body, however the disease causing prions contact the normal prions by physical contact and alter the normal prions therefore causing the disease.
text: Prions are infectious proteins that occur in the body, and can change other proteins to become harmful.