People have cancerous mutations all the time, yet those aren't the cancers that kill us. Cancers people die from tend to have grown, to a size you can detect. W

People have cancerous mutations all the time, yet those aren't the cancers that kill us. Cancers people die from tend to have grown, to a size you can detect. When someone suffers from life threatening cancer-like symptoms, it's not literally impossible to find whether they actually have it. This seems to be the case for chronic lyme, where the medical consensus is that there is "no reproducible or convincing scientific evidence of any relationship to Borrelia burgdorferi".