How Many Brain Cells (Neurons) & Glial Cells are in the Human Brain?

For over half a century, neuroscientists operated under the assumption that the human brain contains around 100 billion neurons and over 1 trillion glial cells. This oft-cited “fact” made its way into textbooks and became common knowledge despite a lack of strong evidence. Recent advances in cell counting techniques have now debunked this myth, showing …

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Discovery of the 5-HTR1E Serotonin Receptor: Function & Importance in Brain Health

The neurotransmitter serotonin plays many important roles in our brains and bodies by binding to various serotonin receptor proteins. One of these receptors, called 5-HTR1E, has remained mysterious even after its discovery over 30 years ago. Facts about 5-HTR1E receptor: It is one of the 13 known serotonin receptor proteins that serotonin can bind to …

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