Why does prolonged stress often result in an increase in illnesses?

When air at the surface diverges, airflow above must diverge, regardless of hemisphere converge in the northern hemisphere but diverge in the southern diverge in the southern hemisphere but converge in the northern converge, regardless of hemisphere?

Why did other countries want to have a part in what was occurring in southwest asia?

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange