A new study has shed light on making cancer treatment more effective. According to the study if the drugs used to treat breast and lung cancer are combined they overcome resistance to treatment and induce senescence - a state in which cells are thought to stop growing and dividing but without undergoing cell death thus yielding better results in cancer treatment. The findings published in the journal 'Oncogene' highlighted that breast cancer drug palbociclib when combined with the lung cancer drug crizotinib yielded better results and the combination of the two was more effective against cancer cells in the laboratory