Marny Lishman – 4BC
Health & Community Psychologist![](https://www.mediastable.com.au/wp-content/uploads/2017/07/marny-300x82.png)
Marny speaks with 4BC’s Ben Fordham about whether a sugar tax would work, how we can get people to cut down on sweetened drinks and how old is too old to be grounded.
http://www.4bc.com.au/podcast/you-cant-tell-people-to-change/