Describe what you believe are the greatest strengths and weaknesses of using the medications to treat psychological disorders. Evaluate the employment of psychoactive drugs in the treatment of disorders over the lifespan from both an ethical and risk-benefits perspective. Summarize the theories of psychiatric disease and the scientific rationale behind its treatment through the employment of drug therapies. Explain what you believe to be the greatest challenges in the use of psychoactive medications over the next several years. Support your statements with references and logical arguments.