In this week's episode, the team welcomes Aussie screen icon Shane Jacobson and his Mum to talk about Parkinson's Disease and the steps they're taking to raise awareness. The team also meet two sisters who are on a mission to get their community to change their thinking and consumer habits. Plus Gerald's got the low down on the benefits of the B-group vitamins, the team meet a couple who are tackling the war on waste one natural toothbrush at a time, and there's a change of pace as the team talk mismatched libidos and relationships.