How do changes in the brain (such as brain damage from injury, aging, or substance abuse) impact human behavior?

What are some potential causes of brain damage in humans, and what types of treatments have been tried with those individuals?

What did you learn about substance abuse and its impacts on the brain?

What misconceptions are there about substance abuse?

That addiction is not a disease, that it's simply a lack of willpower.

That underage drinking or drug use is "no big deal" something "all kids go through."

That an alcoholic/drug addict has to "hit bottom."

That there is nothing a family member or close friend can do.

That a loved one's drinking does not impact the family member or close friend - that once the drinking or drug use is stopped, they'll be fine, too.

That you must stop the drinking or drug use and then treat the mental illness (in the case of a dual diagnosis).

That people are born alcoholics; it's "in their blood."

That a 28-day rehab program should do it and that a relapse is because the person just didn't want it badly enough.

What did you learn about the biopsychology of psychiatric disorders?