Answer:
Family history. Eating disorders are significantly more likely to occur in people who have parents or siblings who've had an eating disorder.
Other mental health disorders.
Dieting and starvation.
Stress.
A) The source is probably not valid because it is based on an opinion.
He or she that wrote it did not go into a lab and see if the resources are true its just based on what he thinks it is.
I think it would be empathy
