I'm just not sure that everything that is being called an "illness" is truly and illness, ya know?
My UNEDUCATED guess is that it's a combination of people's sense of entitlement and not knowing or wanting to know how to control their anger or stress. People just don't have the respect for others that they used to. Parents aren't teaching their kids which, I think, brings us back to that over emphasized sense of entitlement.
Just my .02 worth...
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.