Since that time, Beck and his colleagues worldwide have researched the efficacy of this form of psychotherapy in treating a wide variety of disorders including depression, bipolar disorder, eating disorders, drug abuse, anxiety disorders, personality disorders, and many other medical conditions with psychological components. Cognitive therapy has also been applied with success to individuals with anxiety disorders, schizophrenia ,and many other medical and psychiatric disorders. Some of Beck's most recent work has focused on cognitive therapy for schizophrenia, borderline personality disorder, and for patients who have had recurrent suicide attempts.