It is colourless, but turns brown after exposure to light or air, as the compound is photosensitive and oxidises easily
Enforcement of such policies as part of a comprehensive intervention is evidence based, 3 and an older body of literature shows that enforcement is critical to addressing access to tobacco products for youth
As there is no long-term evidence yet available, the debate about using them as a long-term tobacco harm reduction tool will continue, but this raises the question of what regulation should be in place until we have long-term evidence
What role do genetics, lifestyle, and environmental factors play in breast cancer
Britain will also feature with Andrea Arnolds latest Cow, and Mothering Sunday, based on a novel by Graham Swift (who also wrote Last Orders and Waterland), forming part of the new Cannes Premiere strand, dedicated to first features