In this week's show, the team goes in search of happiness to see if you can train your brain to be happy and whether children are actually the key to relearning happiness. The team also looks into how our children's video game addiction is affecting their health and wellbeing with Dr Joanne Orlando, while clinical psychologist Leanne Hall uncovers whether a ‘midlife crisis' is a psychological problem or just a cultural myth. Plus we discover how to keep our kids' teeth safe during sport with Dr Luke Cronin, Gerald answers all your calls and questions, and we learn why working through the night can be bad for your health.

In this week's show, the team examines how microscopic germs can be both good and bad for us, discovering where germs lurk in everyday life and how we can learn to live with them. The team also looks at how to beat exam stress with social scientist Dr Ali Walker, while child psychologist Dr Fiona Martin shares coping strategies for parents for when the daily grind of parenthood gets too much. Plus we investigate the reasons why we smoke and how to stop the addiction with James Tobin, Gerald answers all your calls and questions, and we sit down with Geoff Graham to learn how his ongoing battle with eczema led him to create his own remedy.