Answer:
There is a psychological term for this: xenophobia. It means that you feel intensely or MAJOR upset, anxiety, uncertainty. This can be a fear of people, places, or just anything that you thinkin your mind that seems unbearable.
Step-by-step explanation:
The body reacts to this in different ways. Your heart rate can get faster or race, quick shallow breathing - that is why it is good to practice taking deeeeep breaths. Feelings of weakness or the "I cannot do this" feeling, and your blood sugar can go off too. Some people worry to the extent that they begin imagining worst case scenarios. There can actually be a cognitive distortion - you really believe what you think you believe. It is actually known as the feeling that a catastrophe is coming.