Tel Aviv University (TAU) researchers have discovered that routine blood tests can provide an early warning for colorectal cancer. Anemia, a common blood disorder characterized by low hemoglobin levels, has long been associated with those suffering from colorectal cancer. It doesn't happen suddenly, however - and Tel Aviv University researchers say they have found that gradually decreasing hemoglobin levels can actually indicate a potential for colon cancer years in advance. Graduate student Inbal Goldshtein, who works with Dr. Gabriel Chodick and Dr. Varda Shalev of TAU's School of Public Health and Maccabi Healthcare Services' Department of Medical Informatics, says that...