The Blood Test That Finds Cancer Before It Finds You

Peter McCullough — Collected Works

2026-08-07

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By Peter A. McCullough, MD, MPHCancer cases are rising and almost all of us know someone with a new and advanced cancer.  This is happening for two reasons:  1) the baby boomers born 1948-1964 are coming of age for cancer diagnoses, 2) the COVID-19 pandemic where both the infection and vaccination may be driving “turbo-cancers.”  How can we get ahead of this?🩸 Multi-Cancer Early Detection: The Blood Test RevolutionCancer screening has been stuck in the Stone Age for decades — poke, prod, irradiate, and hope you catch something before it’s too late. MCED tests change that equation entirely. A single blood draw, analyzing cell-free DNA shed by tumors, can now screen for over 50 cancers simultaneously. Two companies dominate this emerging market:GRAIL(Galleri) andExact Sciences(Cancerguard).Subscribe nowRead more