Studies of identical twins with different upbringing has found that outcomes are like 70% genetic and 30% environment.
Anecdotally, I grew up an environment with good parents and siblings with different genetic parents. One of us had been in jail and juvy several times by age 18 due in part to impulse-control related problems.
Today a diagnosis of significant ADHD might have been given. Then it was not as well understood.
Anecdotally, I grew up an environment with good parents and siblings with different genetic parents. One of us had been in jail and juvy several times by age 18 due in part to impulse-control related problems.
Today a diagnosis of significant ADHD might have been given. Then it was not as well understood.