1791. It floats in this bath of cerebrospinal fluid which acts as a shock absorber to keep the brain from being crushed by its own weight.

1792. Sometimes half a brain is good as a whole one.

1793. When surgeons operate to stop seizures, they remove or disable half of the brain in a procedure known as a hemispherectomy.

1794. Shockingly, patients experience no effect on personality or memory.

1795. Your brain has a pattern of connectivity as unique as your fingerprints.

1796. Although pain is processed in your brain, your brain has no pain receptors and feels no pain.

1797. This explains how brain surgery can be performed while the patient is awake with no pain or discomfort.

1797. Headache pain feels like it starts in your brain, but is caused by sensations from nearby skin, joints, sinuses, blood vessels or muscles.

1799. Brain freeze sure feels like pain in the brain but is an example of referred pain emanating from the roof of the mouth.

1800. Fortunately, brain freeze does not freeze brain cells because frozen brain cells rupture and turn to mush.