Considering what studies reveal about personality and how it can affect development, which of the following is true?

Considering what studies reveal about personality and how it can affect development, which of the following is true?
Personality changes significantly from adolescence through adulthood
Negative emotional traits in adolescence strongly predict less than optimal mental health status in earlier adulthood and middle age
There is no link between early personality traits and poor mental health in adulthood
The effects on mental health change as personality changes