Those between the ages of 2 and 8 might exhibit the following signs of stress (link is external): regression (displaying infantile behaviors, thumb-sucking, bed-wetting (link is external)), depression (link is external), crying, anxiety, clinging, and temper tantrums. Indications that teens are troubled include poor grades, change of friends, isolation, distancing from family, oversleeping, drug or alcohol abuse (link is external), eating disorders (link is external), cutting, lying (link is external), and keeping secrets.
This could also be good for my paper because in an interview I saw of Lady Gaga she had said that she had tried to get off her depression medicine but her doctor told her not to because stuff like this would be the result