Charles sawyers found Gleevac. In the mid of 1970’s the Herceptin and Gleevac was the simple drug against cancer. Vogalstein concentrated on colon cancer comparing the DNA of cancer and normal cells, if was found different that it’s not one single mutation but several mutations that led to cancer and he described that combination of genes were involved in cancer. The human genome project was developed finding the genomic cells involving cancer. Lung cancers found to have some evidence regarding ALK mutations. Obesity became the risk factor causing colon, breast and kidney cancer. 40% the cancer has no known cause. Varmus figured that there is no success in treating cancer and still death continues. Being healthy and quitting smoking can help
