The final episode sees Tina discover the damage her diet is doing to her skin, Rich scores the worst body age so far, and Isabella learns how to reverse her brain's decline.
Poisons in the natural world kill thousands of people every year. They attack the body, leading to a 'short- circuit'. Yet some poisons are now being used to improve the way people look.
HIV infection is no longer a disease confined to gay, white men. AIDS is now the leading cause of death for American women aged 25 to 34.
Find out about the astonishing progress in the battle against AIDS: a combination of powerful drugs and good sex education.
Co-hosted by Professor Robert Winston and Dr Tanya Byron, this interactive special invites you to take part in a range of experiments to test your memory and receive practical help on how to improve it.
Could you survive the crush of a massive avalanche? Or save yourself from the vicious sting of a jellyfish?
Supporting the Australian Curriculum
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