It depends on what kind of issues ballerinas have.
Explanation:
If ballerinas have mental issues, then they might not feel good about themselves. If they have physical issues, then they may have trouble understanding what steps they should take.
it depends, are u a child? do you work somewhere that requires you to have a lot of energy, are you in school? or are u fasting? if none of those apply to you please go eat before you develop a ED