Assertion: phenylalanine | /r/CapableOf | build up to harmful levels
Facets:
value: in the body
type: LOCATION
value: without dietary treatment
type: OTHER
Source sentences:
text: If PKU is not treated, phenylalanine can build up to harmful levels in the body, causing intellectual disability and other serious health problems.
text: Without dietary treatment, phenylalanine can build up to harmful levels in the body, causing mental retardation and other serious problems.