Stress, is a feeling of strain and pressure. Symptoms may include a sense of being overwhelmed, feelings of anxiety, overall irritability, insecurity, nervousness, social withdrawal, loss of appeti... 
Eating Disorder, abnormal behavior patterns with regard to food, not including simple overindulgence and resulting obesity. Two serious eating disorders are anorexia nervosa and bulimia.
Anore... 
Depression, psychological illness in which a person experiences deep, unshakable sadness and diminished interest in nearly all activities. People also use the term depression to describe t... 
Bipolar Disorder, mental illness in which a person’s mood alternates between extreme mania and depression. Bipolar disorder is also called manic-depressive illness the original source. W... 
Anxiety disorders. Anxiety Disorders, mental illnesses in which a person experiences an abnormally high level of anxiety over a long period of time. Symptoms of the different anxiety disorders vary... 
