Greg is using the most frequently used psychoactive drug in the United States, which is

Mrs. Bernstein's attorney prepared a written document in which Mrs. Bernstein authorized her daughter to make health-care decisions on her behalf. Mrs. Bernstein's document is a(n)

A) durable power of attorney for health care. B) living will. C) health-care plan. D) euthanasia directive.

A primary symptom of Huntington's disease is

a. akinesia. b. dystonias. c. tremor at rest. d. difficulty initiating movement. e. uncontrollable movements.