The brain-blood barrier (BBB) is a semi-permeable “security system” that keeps blood cells separate from the extracellular fluid surrounding the brain. The BBB does admit the oxygen and nutrients transported by the blood cells, and it prevents harmful substances like bacteria or … [Read more...] about Which Nootropics Cross the Blood-Brain Barrier?
The term "blood-brain barrier" (BBB) was coined more than a century ago. At this time, scientists discovered that injectable dye was capable of permeating tissues throughout the bodies of animals. But when the dye got to the brain, it was unable to pass. The scientists deduced … [Read more...] about What Does Crossing The Blood-Brain Barrier (BBB) Mean?