When Proof Matters More Than Bold Promises with Dr Robert Hoffman

Send us Fan Mail Bold claims don’t save lives—repeatable results do. We bring Dr. Robert Hoffman back to unpack a simple experiment with big consequences: when cancer and normal cells grow together in the same dish, methionine restriction hits tumors while sparing healthy cells, but cysteine restriction knocks out both. That single design choice—testing both cell types side-by-side—exposes why some popular protocols feel persuasive yet fail the selectivity test that real patients need. We al...