Levels of Aβ-40 and -42 peptides were at least 50 times higher in healthy, cleared for duty, active-duty military and law enforcement breachers, snipers, and grenade throwers, as compared with controls. [1]
Aβ (amyloid beta) peptides are the main component of amyloid plaques, the plaques found in the brains of people with Alzheimer’s disease.
References:
- Boutté, A. M., Thangavelu, B., Nemes, J., LaValle, C. R., Egnoto, M., Carr, W., & Kamimori, G. H. (2021). Neurotrauma biomarker levels and adverse symptoms among military and law enforcement personnel exposed to occupational overpressure without diagnosed traumatic brain injury. JAMA network open, 4(4), e216445-e216445.