Hubbard et al. (2009)studied frailty in the elderly and found that:
A)A history of smoking is one of the most reliable predictors of physical frailty
B)Moderate smoking during one's youth is associated with physical frailty
C)Physical frailty is only mildly associated with a history of smoking
D)There is no association between smoking and frailty

Question

Quizplus · Accepted Answer

Hubbard et al. (2009) found that a history of smoking is one of the most reliable predictors of physical frailty.

Hubbard Et Al