Life expectancy in the US peaked 10 years ago, so I'm always amused to see attempts to define "old age" upwards.
@Coctaanatis
Same. It's kind of adorable.
@JLong People in their 90s are often healthier than those twenty years younger.
It's apparently due to selective survival.
https://www.scientificamerican.com/article/the-oldest-old-are-astonishingly-healthy/
@Coctaanatis Interesting. I don't have a subscription so i poked around a couple of studies about selective survival. It occurs to me that those lucky ones who dodge alzheimers, heart disease etc have less hospital visits/procedures and take less meds, too. Nothing against that but I read somewhere that the US uses 75% of the worlds meds yet has the lowest life expectancy in the west.