I believe it does. I have Trigeminal Neuralgia and I was recently in a situation where I got extremely frustrated, borderline angry. I know for a fact that my pain increased in frequency and...
congeniality
We almost always use engineering stress as that is the number reported in strength tests.
Because they get your mind on something else besides what your stressing about kind of like the counting to ten method when your angry.
therdendaqrey