Débora Miranda unravels the complex cultural, financial and scientific factors that influence governments' decisions to adopt particular drugsDébora welcomes your help and feedback in her research. She can be contacted on Twitter @debmir and via email on cancerscreeningproject@gmail.com
As a new survey reveals two-thirds of us can't get a good night's sleep, Cherrill Hick examines research on new drugs which could tackle insomnia by changing our body clocks