Why do advertising agencies use fear to get us to part with our money?

Advertising agencies and marketing people use different techniques to push our buttons. Humour is one. But what about fear? Do they sometimes try to scare us into buying? Or is it a gentler art- playing on our insecurities about things like old age, poor health or thinning hair?

Evan Davis speaks to Sir John Hegarty and Ian Gathard from the advertising industry and psychologist Juliane Beard, who studies how the brains of consumers work.

Credits:
Volkswagen "Eyes on the Road" advertising stunt
Reebok trainers advertisement: "Lose the Beer Belly"
Aviva home insurance advertisement

Production team:
Producers: Simon Tulett and Michaela Graichen
Researcher: Drew Hyndman
Editor: Matt Willis
Sound: Neil Churchill
Production co-ordinator: Katie Morrison

(Picture: Piccadilly Circus in London, Light Trails at night. Credit: Jonathan Herbert, JH Images via Getty Images)