As regards the statement that twin studies showed that genetic factors account for more than half of developing eating disorders, this statement is TRUE.
Twin studies showed that:
- 58% of anorexia cases are genetic
- Genetics play a leading role in bulimia
Bulimia and Anorexia are some of the well known eating disorders there are and twin studies showed that genetics accounted for more than 50% of these.
In conclusion, the statement in the question above is TRUE.
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