Are you getting your five a day?
It’s possibly the best known of all government health messages. It’s a simple and motivating message to eat healthier; it’s easily remembered and is neither patronising nor preachy; it’s entirely general and somehow deeply personal.
There’s a version for the mind, too - The New Economics Foundation’s ‘Five Ways to Wellbeing’ (Thompson, Aked, Marks and Cordon, 2008).