Final answer:
Anorexia is characterized by excessive dieting and lack of appetite. Bulimia involves binging and purging, as well as an urge to overeat. PTSD can cause nightmares and edginess. Binge eating disorder does not have specific signs and symptoms listed in the question.
Step-by-step explanation:
Eating Disorders and their Signs and Symptoms:
Anorexia
- Excessive dieting
- Lack of appetite
Bulimia
- Binging and purging
- Urge to overeat
PSTD (Post-Traumatic Stress Disorder)
- Nightmares
- Edginess
Binge eating disorder does not have any specific signs and symptoms listed in the question.
It is important to note that it is always best to consult with a medical professional or mental health expert for a proper diagnosis and treatment of eating disorders.