Alice Irrizary and Colin Lowther talk about the power of addiction and some helpful advice on how to overcome it.
Do you drink coffee or tea? Do you get caffeine in other food or drink? Liz Waid and Luke Haley look at the effects of the drug caffeine.
Do steroids make sports better? What problems do steroids cause? Are there any benefits? Joshua Leo and Liz Waid look at the issue of using steroid drugs in sports.
Nick Page and Christy Van Arragon look at the placebo effect. How does the mind affect the body? How can a placebo help or hurt our health?