Andrew Huberman· PhD
Hormones by definition, are a substance, a chemical that's released in one area of the body. Typically from something we call a gland, although they can also be released from neurons. But they're released often from glands, that travel and have effects both on that gland but also on other organs and tissues in the body. And that differentiates hormones from things like neurotransmitters, which tend to act more locally.
Verbal pushback — no audited source on record.
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