I don't know if it could cause ADHD but I you do smoke when you are pregnant your child could be born with a birth defect
Yes, it will cause birth defect.
No ADHD is from birth.
Yes dimples are a birth defect (coming from a person with dimples.)
Animals could potentially have ADHD since it caused by a defect in the dopamine receptors in the brain of mammals. There has been several models of ADHD in animals, but it is not yet treatable.
Both. it depends what defect you are talking about. Please be more specific.
I have seen a study that says that a child with a CHD who has had surgery within the first year of like is more likely to have ADHD.
The term you are probably looking for is "congenital defect."
only 2 out of 10 children have a birth defect
Exists from birth.