What is the relationship between quality of the and life expectancy?

It is expected that healthy, robust people will live, on average, longer than frail people. This heterogeneity in terms of robustness/frailty may explain the shape of the mortality trajectory with age.

Explanation:

Its a postive relationship, better quality longer life

Explanation:

answer: hang out with someone else or occupy your mind with something else. : )

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.