What scientific evidence exists to establish a relationship between stress, personality, and negative mood? explain whether the evidence is reliable or not?

Polls and statistics prove for example that people with type A personalities, aka high achievers, tend to strive more for perfection, which causes an intense level of anxiety. Anxiety in it of itself is a negative emotion but is often correlated with depression. This can be proven through statical evidence but started based on assumption.

It is state and federali really hope this  

The ceremonial column.