Body clock linked to breast cancer: BBC News Review

British scientists have discovered that women who naturally get up early are less likely to develop breast cancer. After an eight-year study, research has concluded that among early risers, only one in every 100 women develop breast cancer. This rose to two in every hundred for women genetically programmed to go to bed late and get up late. The scientists say the research provides further proof that a person's body clock and sleeping patterns affect their health. Vocabulary larks people who get up early