article_snippet.sent: Tamoxifen kills off cancer cells or stunts Tamoxifen growth by blocking the cancer-causing hormone oestrogen from reaching diseased cells.
article_snippet.sent: It is the main drug given to women who have not been through the menopause, and is usually taken for five years or longer after breast cancer treatment.
article_snippet.sent: We saw that this was already the case at the time of diagnosis.
article_snippet.sent: Mrs Rosendahl said: ‘This shows that these substances have an effect on the breast cancer cells and turn off signalling pathways that the cancer cells require to grow.
article_snippet.sent: Taking prescribed medicine is still vitally important to treating cancer, clinicians have stressed .
article_snippet.sent: Despite clinicians findings, the study’s researchers were keen to stress the importance of prescribed medication in treating cancer .