10 New Genetic Discoveries — And The Diseases They Could Treat

For years, scientists have recognized that many of the world's most dangerous diseases have an underlying genetic component. Even your susceptibility to conditions like heart disease and lung cancer, diseases closely tied to lifestyle factors like smoking and lack of exercise, are believed to be heavily influenced by… » 8/29/11 10:25am 8/29/11 10:25am

Dogs can reliably sniff out lung cancer, German study shows

A dog can accurately detect the early presence of lung cancer by sniffing patients' breath, doctors in Germany say. While researchers have known for some time that dogs can sniff out the telltale signs of other forms of cancer, this is the first study that proves dogs can reliably smell this particular kind. » 8/20/11 11:40am 8/20/11 11:40am