Andrew Huberman· PhD
for which is collected by spinal tap correct in my understanding I've never had one um but that spinal tap is of course more invasive than a blood draw but it still is um done as an outpatient thing in humans like you can go in get a needle inserted into the lower spine by by an expert um they're going to draw cerebral spinal fluid I mean not that much more invasive and timec consuming than getting a a needle into your vein for a blood draw right