While the introduction of sexual reproduction after several hundreds of millions of years of asexual reproduction is very essential to share genetic material thereby adding levels of diversity hitherto unseen in the natural world and giving organisms an edge over the evolutionary urges to survive, one must turn one's attention to unethical psychological experiments that involve secluding subjects from the outside world and offering a simulated reality that would make as much sense as Leonard267 trying to change the topic over here.
For those who did not bother to read the above paragraph, congratulations, you did not waste 3 seconds of browsing or 30 days of trying to figure out that the above paragraph is a nonsensical trail of thought piece written by someone who simply has too much time to kill.
Let's recommend chemotherapy, lots of antibiotics, living in a sterilise environment and perhaps ask for some religious intervention. One can hire a priest who yells, "GET OUT CANCER!" When dealing with cancer, the options are few, the methods are desperate.