Reseach on "How To become A Model or a Ballerina"

I am going to do two leaflets on how one would become a model or a ballerina, my first decision is to research into both industries looking at how one could be a model or a ballerina. I am going to pick 6 questions and answer them in detail, also i will find the what a model/ ballerina diet and size/height would have to be.
The reason for this decision is because it wont be all the good sides of it it will be the bad. Investigating into depth how one would become a model, but the truth. It will be a harsh but truthful leaflet on how models are picked to be models- and what happens after they become a model.

What is Ballet?

Definition:
1. a classical dance form demanding grace and precision and employing formalized steps and gestures set in intricate, flowing patterns to create expression through movement.
2. a theatrical entertainment in which ballet dancing and music, often with scenery and costumes, combine to tell a story, establish an emotional atmosphere, etc. 
3. an interlude of ballet in an operatic performance

4. a company of ballet dancers.

http://dictionary.reference.com/browse/ballet 

 

Ballet is one of the most graceful and beautiful sports i have ever seen the grace and concentration is immaculate, just like ballet it has this beauty which you see but going behind the curtains, the extreme physical challenges that a ballerina has to go through on a daily basis is very challenging, i am going to explore:

1. What is ballet?

2. What are the extreme lengths one will go too to become the best?

3. What are the Health problems?

 

What is fashion?

Definition:
1. a prevailing custom or style of dress, etiquette, socializing, etc- the latest fashion in dresses
2. conventional usage in dress, manner, etc- especially of polite society, or confomity to it- the dictates of fashion-to be out of fashion.
3. manner, way, mode- in a warlike fashion.
4. the make or form of anything- he liked the fashion of the simple
http://dictionary.reference.com/browse/fashion
 
The word fashion is very loose term it means a lot of things, but what i am trying to find is what fashion as a whole has done to people, what is behind the clothes, beauty, advertising, and life of fashion.
who determines whether you are too thin or fat?
who determines what is in and what is not?
why is fashion so important to us in everyday life?

This projoect is going to look into both fashion and ballet and look at the horrible side or both businesses.