Supposedly harmless peptide may be linked to Alzheimer's disease

Medical Xpress

March 2, 2026

While companies developing drugs to treat Alzheimer's disease have spent decades and many billions of dollars targeting amyloid beta due to its role in clogging patients' brains with harmful deposits, a biochemist at the University of California, Santa Cruz, says the peptide has a smaller, overlooked "cousin" that could also be neurotoxic.