Erectile tissue in the clitoris and penis. Cross section showing the two corpora cavernosa near the top surface of the penis, and the corpus spongiosum surrounding the urethra near the bottom surface.
Adderall (amphetamine and dextroamphetamine) is a stimulant that affects chemicals in the brain that are associated with hyperactivity and impulse control. Adderall is used in attention deficit hyperactivity disorder (ADHD).
It is unknown whether changes in levels of neurotransmitters cause the development of depression or depression causes changes in neurotransmitters. It may happen both ways. Researchers believe that our behavior can affect our brain chemistry, and that brain chemistry can affect behavior.