Assertion: adhd's symptom | /r/CapableOf | appear by age
Facets:
value: usually
type: DEGREE
Source sentences:
text: Symptoms of ADHD usually appear by age seven (they may appear before this age), and are seen in boys three times more often than in girls.
text: Symptoms of ADHD usually appear by age seven (they may appear before this age), and are seen in boys three times more often than in girls; in adulthood, symptoms are found in men and women equally.