A MENTAL HEALTH DISORDER CHARACTERIZED BY DISREGARD FOR OTHER PEOPLE. THOSE WITH ANTISOCIAL PERSONALITY DISORDER (ASPD) MAY BEGIN TO SHOW SYMPTOMS IN CHILDHOOD, BUT THE CONDITION CAN'T BE DIAGNOSED UNTIL ADOLESCENCE OR ADULTHOOD. THOSE WITH ANTISOCIAL PERSONALITY DISORDER TEND TO LIE, BREAK LAWS, ACT IMPULSIVELY, AND LACK REGARD FOR THEIR OWN SAFETY OR THE SAFETY OF OTHERS. SYMPTOMS MAY LESSEN WITH AGE. TREATMENT MAY INCLUDE TALK THERAPY AND SUPPORT FOR AFFECTED FAMILY MEMBERS.