1. Plasma proteomics can estimate biological age of organs.
2.  Aged organs linked to higher mortality risk.
3. Study included 44,498 subjects aged 40-70.
4. Neurological health significantly impacts longevity.
5. Lifestyle factors can influence organ aging.
6. Brain proteins NEFL and GFAP are key in aging estimates.
7. Non-invasive tool for chronic disease risk assessment.
8. Research highlights brain and immune system's role in longevity.

Source: nature medicine