Cerebrospinal fluid is the liquid around your brain and spinal cord. If a doctor thinks you have an illness that affects your nervous system, they might take a sample for testing. The fluid is made by ...

For the first time, a new study has observed that cerebrospinal fluid washes in and out of the brain in waves during sleep, helping clear out waste. Share on Pinterest Cerebrospinal fluid helps clear ...

You can drink plenty of fluids to help slow or stop a CSF leak and ease headaches. CSF leaks are often repaired with non-invasive surgery, such as through the nose for nasal leaks. See a doctor right ...