There’s a growing concern amongst health practitioners that our growing obsessing with being as healthy as possible is making us sick.

Orthorexia nervosa is a proposed eating disorder wherein individuals have an unhealthy obsession with eating ‘healthy’ foods.

Dr Simon Knowles is a clinical psychologist who is looking for people aged 18 years and over to participate in a questionnaire which will help develop under of this condition and improve treatment for in the future.

He spoke with Adam Shand.

If you’re interested in participating in the questionnaire click here.