Here's an article about Light in laser zapping cancer tumor cells in the bloodstream. I was following this research because I wanted it for myself.
Haven't been immersed in all the hysteria about Trump's comments. Ever since Q typed There Are Cures I have investigated and indeed there are. The general public is too dumb to research for themselves. Sure have been some hilarious memes out of all this.
https://www.livescience.com/65723-laser-find-destroy-cancer-cells.html