Quote · The Tucker Carlson Show
The Number One Way to Fight Alzheimer’s, Depression and Anxiety Before It’s Too Late
Where this was said
Dogs, Oxytocin, and Brain Growth
At 4:15 · chapter starts 0:34
The episode opens with Tucker confessing a theory he says he keeps to himself because 'it's too crazy' — that sleeping with dogs and kissing them is profoundly good for human health. Nehls immediately validates him, citing a paper in Science showing that dogs have evolutionarily 'captured' the human oxytocin system. When a dog looks into your eyes, oxytocin floods both your bloodstream and the dog's, creating an inter-species bond. Nehls then introduces the hippocampus — a seahorse-shaped structure in the temporal lobe — as the brain's autobiographical memory center, responsible for storing lifelong knowledge and for the uniquely human capacity to reflect, be curious, and feel rational compassion. Because oxytocin is one of the key stimulants of hippocampal neurogenesis (the growth of new nerve cells), dogs are, in Nehls's framing, a genuine medical therapy against Alzheimer's disease. The bigger the hippocampus, the more protected you are.
Every time a dog locks eyes with you, oxytocin floods both your bloodstream and the dog's — stimulating hippocampal growth. Nehls recommends dogs as a literal therapy against Alzheimer's: a bigger hippocampus means lower risk.
Chronic neuroinflammation — from mRNA spike proteins, stress, or poor lifestyle — shuts down the hippocampus's daily production of new nerve cells. In the short term this causes depression and anxiety; over decades it produces Alzheimer's.