Assertion: lactose intolerance's symptom | /r/AtLocation | early adulthood
Facets:
value: typically
type: DEGREE
Source sentences:
text: The amount of enzyme lactase in some individuals tends to lower through the years from an unknown reason; symptoms of lactose intolerance typically appear in adolescence or early adulthood, but often not until old age.
text: Onset is generally gradual, with symptoms typically appearing in late adolescence or early adulthood.