The Doctors explore our senses - Dr Shalin finds out why hearing deteriorates with age; Dr Sandro busts some myths about improving your eyesight; and Dr Renee explores the link between smell & memory.

Doctor Shalin uncovers the extent of male infertility in Australia, Doctor Sandro reveals the raw truth about sexual disease in our communities and Doctor Renee explores the various contraceptives available to women. (Final)

More than half of Australians are exceeding the WHO guidelines of limiting added sugar. What effect is sugar really having on our nation's health and economy? Sandro intros the facts from a bath of coke.