26 Nov 2014 Blackmores Institute Selenium compounds boost immune system to fight against cancer 26 Nov 2014 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Selenium slows down the immune over-response, a finding which Danish researchers believe may improve cancer treatment. Cancer types such as melanoma, prostate cancer and certain types of leukaemia weaken the body by over-activating the natural immune system. × To continue reading this article, please Log In or Sign Up for access.