Often it takes a friend or loved one to notice an ailment or perhaps increased risk-taking behaviour, such as drinking.

Sugary drinks seemed to trigger more risk-taking behaviour than sweets and chocolate.

It's one way to head off the sort of risk-taking behaviour that can become antisocial.

Mangels discovered that audiences responded to his risk-taking behaviour and featured more and more of it in his later films.

Unsurprisingly, scientists - and consumers - associate the brand with 'risk-taking behaviours'.