Barney's mother gave birth to him when she was 25 years old. she drank heavily during her pregnancy. as a result, barney is short. he also has learning disorders and displays some facial abnormalities. barney is most likely a case of:

Barney is most likely a case of "fetal alcohol syndrome".

Explanation:

When a women in pregnancy drinks alcohol a lot and then a child is born with growth problems and other defects or abnormalities, this condition of child is known as fetal alcohol syndrome. There is no cure of these abnormalities that is why all doctors advice women not to drink alcohol in pregnancy because by drinking you can harm your child.

the answer is true .

the answer to your question is,

old stone age.

-mabel < 3