Unverified50% confidenceFactExact time
When ADHD was being studied in the late 1960s and early 1970s, researchers studied only boys.
1
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50%
Confidence
Long-term
Relevance
10/8/2026
First Seen
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Related Claims
UnverifiedWomen who attended elementary school in the late 1970s have been referred to as a 'lost generation' because ADHD research did not cover girls at that time.74% similarUnverifiedADHD symptoms in boys typically begin to manifest around age 7, with classic presentations centered on hyperactivity, making them easy to identify and diagnose.66% similarUnverifiedGirls more commonly present with ADHD predominantly inattentive type (ADHD-I), while boys more often exhibit the hyperactive/impulsive type (ADHD-HI) or combined type.63% similarVerifiedADHD affects approximately 5–7% of children and 2–5% of adults worldwide61% similar
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