How to be Happy: Happiness and health

On the fourth day of our Happiness Week, we're looking at the link between happiness and health and today we're being joined by an expert in the field: Jillian Michaels. Having risen to fame on the hit American TV show Biggest Loser, Jillian has become one of most renowned health and fitness gurus in the States with over 15 fitness DVD's, countless best-selling books and millions of online followers.

But it's not just fitness that Jillian is known for - she's also a life coach - and is currently touring the UK teaching people how to get motivated and transform their lives through health. She's going to give us her some of her tips plus we'll once again chat to the Speakmans about the link between health and happiness.

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