Anchor: According to Time , dopamine explains how and why we become addicted to sex, drugs, booze, gambling, food, cheap thrills, and yes, tobacco.
Entailed: Time claims dopamine shows how/why we form addictions. 
Contradiction: Time denies that dopamine shows why we form addictions. 
Contradiction: It is neither Lawrence nor John.
Contradiction: A human mopping.
Contradiction: Codes of ethics are old-fashioned and no longer necessary.
Contradiction: The man is young.