The blood-brain barrier (BBB) is a physical barrier that protects the brain while allowing in certain nutrients and other building blocks.

If the barrier is disrupted, certain substances that typically can’t reach the brain will get to it, potentially causing inflammation.

An inflamed brain with a compromised blood-brain barrier is called a “leaky brain.” However, it doesn’t mean that your brain is leaking out.

Instead, harmful substances and inflammatory signals can pass through the barrier into your brain, including too much glutamate.

Signs and symptoms of a leaky BBB may include.

Poor memory

Brain Fog

Mental health challenges

Fatigue

Headaches and migraines

Inflammation in your body can also make your blood-brain barrier leakier.

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