Morning Overview on MSN

1 mitochondrial protein may be the key to longer, healthier living

Longevity science has spent decades chasing single molecules that might slow aging, but most candidates have delivered modest ...
Live Science on MSN

A fentanyl vaccine enters human trials in 2026 — here's how it works

A vaccine in development would be the first proactive treatment for overdose and fentanyl addiction, if approved.