Food can become such a point of anxiety - not because it's food, but just because you have anxiety. That's how eating disorders develop.
They also explained how the sensors can monitor the levels of acetone on people's breath, and this can be used to tell people who suffer from diabetes when their next insulin shot is due. This is a more discreet method than what is currently on the market.
I'm interested in the impact my movies have on people and how it affects them, and what they like and what they don't like - and what they take away from it. What leaves an impression, you know?