Cancer and it's treatments have been in the news a lot lately.

Radiation therapy can make cancers more malignant.
http://www.greenmedinfo.com/blog/study-radiation-therapy-can-make-cancers-30x-more-malignant

Did cancer evolve to protect us?
http://www.scientificamerican.com/article/did-cancer-evolve-to-protect-us/

The benefits of end-stage cancer chemotherapy may worsen quality of life and do not prolong life.  This fits in with the book I recently read, "Being Mortal."
http://www.nytimes.com/2015/07/24/health/chemotherapy-may-worsen-end-of-life-quality-study-finds.html?smid=fb-nytimes&smtyp=cur&_r=1

Eat like you have cancer.  Don't wait til you have it to change your diet.
http://wjla.com/news/health/eating-like-you-have-cancer

Has cancer been completely misunderstood?
http://www.greenmedinfo.com/blog/has-cancer-been-completely-misunderstood