Even low levels of light in bedrooms may stop breast cancer drugs from working, US researchers have warned. Animal tests showed light, equivalent to that from street lamps, could lead to tumours becoming resistant to the widely used drug [b]Tamoxifen[/b]. The study showed the light affected sleep hormones, which in turn altered cancer cell function. UK experts said it was an intriguing finding, but not proven in people.
[link url=http://www.bbc.com/news/health-28442551]Full BBC News report[/link]
[link url=http://cancerres.aacrjournals.org/content/early/2014/07/18/0008-5472.CAN-13-3156.abstract?sid=f8e234f4-caaf-4d9e-81b9-8290e7d5a6cb]Cancer Research abstract[/link]