So there appear to be predisposing factors at work, as well as the triggering effect of the autoantibodies.

ECONOMIST: Psychiatric disorders and immunity

Overall, significant stress, illness and lack of sleep can be predisposing risk factors for developing an outbreak of shingles.

FORBES: Why Chicken Pox Can Be So Dangerous

The paper revealed that in the region, one of the major factors predisposing young people towards violence is the mismatch that exists between their aspirations and the opportunities available to them.

UNESCO: Social and Human Sciences