Summary Jem investigates new research that suggests electric lights can play havoc with our sleep, Dallas downs his toothbrush to discover what causes tooth decay and gum disease, and Dr Yan explains why refreezing food is not a great idea.
Directed : Unknown
Written : Unknown
Stars : Liz Bonnin Jem Stansfield Dallas Campbell Yan Wong
Genres : Family Documentary
Release date : Sep 18, 2011
Countries of origin : United Kingdom
Official sites : BBC
Language : English
Production companies : British Broadcasting Corporation (BBC) The Open University
Summary Jem investigates new research that suggests electric lights can play havoc with our sleep, Dallas downs his toothbrush to discover what causes tooth decay and gum disease, and Dr Yan explains why refreezing food is not a great idea.
Genres : Family Documentary
Release date : Sep 18, 2011
Countries of origin : United Kingdom
Official sites : BBC
Language : English
Production companies : British Broadcasting Corporation (BBC) The Open University
