You are scrolling away on TikTok and suddenly come across a video of a young person sharing their story about how they were tragically diagnosed with cancer. It grips you. It is as if all of your fears are captured in one brief, random video. So, of course, you watch the whole thing. Maybe you even watch it a second time. And now the algorithm, with its clever and resourceful methods, knows your weakness. So you start seeing more and more videos about people with serious and/or terminal illnesses.