Dr Renee wants to know why the majority of people that diet and lose weight put it back on. While Dr Sandro opens our eyes to the hidden environmental triggers that encourage us to eat too much.

Like many Aussies Dr Shalin believes he is lactose intolerant. He wants to know if there any health risks to giving up dairy. While, Dr Sandro heads to the country to find out how our diet could be used to treat depression.

Discover why sleep is imperative for healing, staving off disease and brain function. Dr Shalin heads to the sleep clinic and find out why we snore, if it's bad for our health, and most importantly, is there a cure?