All of the Following Are True EXCEPT

All of the following are true EXCEPT

A) If a child has ADHD, there is about a 32% chance his or her sibling will have it.
B) Children of parents with ADHD have about a 57% chance of having ADHD themselves.
C) If an identical twin and a fraternal twin have ADHD, the second fraternal twin is much more likely to have ADHD than the second identical twin.
D) Exposure to lead and the abuse of alcohol by pregnant women increases the likelihood of ADHD.