Sarah writes: I was diagnosed later in life, and it made me wonder: Does ADHD really show up differently in men and women?” For a long time, our understanding of ADHD was shaped by who was being noticed. This does not mean ADHD is fundamentally different in men and women. Men can have quiet, internal ADHD, and women can have obvious hyperactivity and impulsivity. Ian Wahlert is a certified ADHD coach with a decade of experience helping over 1,000 adults manage ADHD.