Antidepressant drugs generally work by increasing the activity of the neurotransmitters norepinephrine and serotonin

In a kinship study of intelligence, which of the following sibling pairs will likely share a high correlation?

A) Max and Martin, nontwin brothers B) Jabar and Tobias, identical twins C) Marci and Sonia, fraternal twins D) Mary Jane and Susan, nontwin sisters

Which of the following is one reason why living in poverty is stressful?

a) lack of meaningfulness of work. b) too many hours of unpleasant shift work c) increased rates of disabilities due to poor prenatal care d) difficulty assimilating to the majority culture's ways