INCLUSION CRITERIA:
Subjects must be competent to comprehend the purpose of the screening process and to provide written informed consent and be willing to participate in NIMH IRB approved research protocols. Minors will be asked to assent and their parents will sign the consent form.
Subjects will undergo an evaluation which may include a psychiatric interview, medical (including Tanner staging for minors), neurological, and laboratory examinations (as appropriate such as EKG, EEG, renal and liver function tests, serum electrolytes, urinalysis, HIV, hepatitis A, B, and C, blood levels of psychotropic drugs, pregnancy testing, and urine drug screen for the presence of psychoactive drugs and drugs of abuse).
EXCLUSION CRITERIA:
Subjects should have no general medical illness that is primary (i.e., appears to be causing the mood disorder or anxiety disorder).
Current alcohol or substance use or dependence (excluding nicotine) of sufficient magnitude to require independent, concurrent treatment intervention (e.g., antabuse or opiate treatment, but not including self-help groups).
Whether the minor lives with both parents or one parent, the parent(s) he/she lives with must have legal custody. If a parent has shared custody, both parents must consent to participate in this protocol.