There are thousands of family-run businesses in Australia, and they can put tremendous pressure on a tight knit group. Insight is joined by families who have been through the highs and lows.

Can changing our gut bacteria change us? Dr Michael Mosley returns to Insight for a discussion with fellow experts and ordinary Australians about how the gut can play an integral role in our overall physical and mental health. We discover that improving the wellbeing of this unglamorous organ can have profound effects – whether you have existing gut issues or not.

Failure – we fret it, we shun it, and we question ourselves whenever it happens. But can failure be a blessing in disguise? This week, Insight looks at the concept of failure. How does it feel to lose everything? And what does it take to bounce back?