Boxers, y fronts, g-strings and nanna knickers- which undies should you be wearing? Slats and Giaan bring you the big news on your smalls. Leila and some volunteers work up a sweat to find out what is the best time of the day to exercise and Dr Rochford learns vital tips on how to stay alive if you were lost in the bush. And are mod cons making us fat? We send one brave family back to the dark ages to find out.
Keywords: health , search-for-truth