Peptide Hormone Systems
2 articles in this topic.
Peptide Hormone Systems
Neuropeptides: The Brain's Other Chemical Messengers
Neuropeptides differ from neurotransmitters in size, speed, and function. Over 100 neuropeptides shape pain, mood, appetite, and stress in your brain.
12 min read|Mar 24, 2026
Peptide Hormone Systems
Adipokines: The Peptides Fat Tissue Sends Out
Fat tissue is an endocrine organ that secretes leptin, adiponectin, resistin, and other peptide hormones. Here's what each adipokine does and why it matters.
13 min read|Mar 20, 2026