Dr. Barry Sears Dr. Sears Comments:

This is one of the dumber ideas that has been hanging around neurochemistry for the past 25 years.  The blood-brain-barrier is there for a good reason; to protect the brain from a lot things in the blood that should never enter it.  That’s why I don’t hear much talk about “breaking the gut barrier” to induce leaky gut syndrome for exactly the same reason.

How Medical Researchers Are Breaking the Blood-Brain Barrier

For years the darndest thing kept happening to drugs in clinical trials to treat brain disorders: They never made it to the brain. For pharmaceutical companies this problem was as costly-developing treatments for the central nervous system takes an average of 15 years and $1.5 billion-as it was, in hindsight, kind of obvious.