> a job There's your key. It's not "a job", the job matters a lot. Higher income and education most often means a job that's easier on the body, and also likel

> a job There's your key. It's not "a job", the job matters a lot. Higher income and education most often means a job that's easier on the body, and also likely more mentally stimulating (shown to increase QoL at old age and lifespan).