This resource highlights and informs about the serious lengths models go to in order to get the desired look. It emphasises that the routine they endure is not healthy and has many trade-offs.
This could be used during a lesson or simply for your own reference.
These three videos all look into the topic of unrealistic body images and the power of photoshop. These videos should be used to challenge students on the ideas of the perfect body, as well as to emphasise the fact that these models have unrealistic bodies and muscles.
They are to be used in conjuction with the lesson plan.
This is a TedTalk which specifically focuses on body image. It is useful for breaking up a lesson and provoking discussions.