There's no proof that lead poisoning causes antisocial personality disorder; however, lead poisoning can cause brain dysfunction and could presumably create brain-based behavioral problems and issues.
One of the first things alcohol does is remove inhibitions. The next thing it does is deaden the brain's "censorship" mechanism, which otherwise causes us to think twice about the things we say and...
A baby chimp's behavior is much the same as a baby human's. They are totally helpless and dependent on their mothers for food and shelter. They spend their first few months of life developing muscle...