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🧬 The Blood-Brain Barrier: Nature’s Most Secure Checkpoint
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🧬 The Blood-Brain Barrier: Nature’s Most Secure Checkpoint
Your brain is the most sensitive organ you have and it is guarded by one of the most sophisticated defense systems in biology. This system is called the blood brain barrier, a living biological firewall that controls exactly what is allowed to pass from your bloodstream into your brain. It doesn’t just block toxins and pathogens it actively ...
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