LONDON (Reuters Health) - Many apparently healthy adults may be dying unexpectedly in a grown-up version of the "cot death" phenomenon, British researchers said on Friday. In Yahoo! Health Colon Cancer:Katie Couric supports Colorectal Cancer Awareness Month More from Yahoo! Health: • Get the Facts • Early Detection • Catch it Early • Email A Friend The British Heart Foundation said a study showed that the number of adults who collapse and die suddenly without explanation could be "much greater than is recorded in official statistics." Like sudden infant death syndrome, such deaths should be labeled "sudden adult death syndrome,"...