Persons with co-occurring mental and substance abuse disorders must address both issues if there is any hope for them to become fully rehabilitated. Some people take drugs to alleviate symptoms of mental health complications, and some people take drugs which then, in turn, creates symptoms which are identical to mental health issues, such as anxiety and depression. Drug treatment professionals know how to differentiate between the two, and can work with clients to properly treat real mental health problems in tandem with any other substance abuse treatment that is done with the person. This has proven to be effective in keeping individuals with mental health problems off of drugs and mentally stable and healthy.