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    1. Sclerosis literally means hardening. It describes a process where healthy, soft tissue is replaced by hard, scar - like connective tissue, usually due to chronic inflammation or injury.

      Sclerosis in the Brain The Attack: Your immune system mistakenly attacks the myelin sheath (the insulation created by glial cells)

      The Damage: This is stripping away of myelin is called demyelination

      The Sclerosis: as the body tries to heal, it leaves behind tough, fibrous scar tissue called plaques or lesions

      The Result: Because these hard scares replace the smooth myelin, the electrical signals (thoughts/movements) get slowed down, distorted, or blocked

    2. For years, researchers believed that there were many more glial cells than neurons; however, more recent work from Suzanna Herculano-Houzel’s laboratory has called this long-standing assumption into question and has provided important evidence that there may be a nearly 1:1 ratio of glia cells to neurons. This is important because it suggests that human brains are more similar to other primate brains than previously thought

      The Numbers Game: We aren't smarter because our brain is built with "special" ingredients; we're smarter because we have a higher total number of neurons (around 86 billion) than other animals.

      The 1:1 Ratio: New research shows humans have about one glial cell for every one neuron, just like other primates. This proves our brain follows the same "standard" blueprint as monkeys and apes - we just have a larger, denser version of it .

      Humans aren't built different from other primates; we just have more neurons (86 billion). 1:1 glia to neuron ratio proves we follow the same scaling rules as other primates but our higher neuron count in the cortex is what drives our intelligence.

    1. Glia

      Non- Neuronal cells that form the primary support system of the brain and spinal cord. While neurons are the cells that send electrical signals, glia ensure those neurons have a stable, healthy environment to function properly

    1. endocrine system

      The Endocrine System is a network of glands and organs that produce and release hormones directly into the bloodstream to regulate essential bodily functions, including metabolism, growth, reproduction, mood, and sleep