Long-form analysis at the intersection of AI and life sciences — all spells, sorted by time.
Degenerating discs create an oxygen-starved microenvironment that defeats conventional drug delivery. A 2025 study loads NMN into stem cell exosomes and routes them directly to the disc matrix — and the repair signal actually arrives.
By 50 you have half the NAD+ you had at 20. Imai's NAD World 3.0 framework in npj Aging cracks the cellular supply chain behind mammalian aging and the pause button.
You've been taking NMN for six months. Did it actually do anything? A massive Nature Aging review finally has an answer: promising, but not magic.