Chopping onions can be a real tearjerker and has Leila reaching for the hankies to find the best cure. The team takes a look at the Australian epidemic of Asthma and if the Buteyko method offers any relief. Brooke puckers up to see if kissing can damage your health and Dr Rochford takes the butter versus margarine challenge to see what is best for your heart. And are left handed people more creative than right-handers? Slats puts himself to the test.