A breast cancer test with saliva: when the news is far from reality. The president and scientific secretary of the Spanish Society of Medical Oncology regret the dissemination in the media of an experiment that has no medical value.

This news is just one more example of the many that are communicated annually in relation to the cure or diagnosis of cancer. In many cases there is talk of “miraculous” therapies against cancer, and when analyzed, these are results in the preclinical phase, in cell lines or mice.