Tight chest

The sympathetic nerve is a type of autonomic nerve that controls our heartbeat, blood pressure, suffocation, and heartbeat. People with autonomic nervous disorders, that is, people with strong sympathetic nerves and tight or tense nerves, will have chest tightness, chest tightness and pain if they are tight on the chest, and poor cardiovascular transport; Depression, anxiety, nervousness, anxiety, etc. Feel stress at any time