A new treatment that blocks an aging-related protein restored lost cartilage in old mice and helped prevent arthritis after knee injuries. Human cartilage samples showed similar signs of regeneration, raising hopes for a future drug that could repair joints instead of replacing them.
Not a scientist, but from what I know it’s all linked and proportional to a species’ lifespan, so dogs are growing up faster, but also aging faster than humans in general. If a human reaches sexual maturity at 15, a dog does so at 1 or 2.