What reason is the weather hot, chest tightness and retching?

Chest tightness may be related to high climate temperature. Ambient air circulation, impetuous mood and so on. Causes chest tightness and difficulty breathing. More common in the performance of heatstroke. In addition, it is also related to personal lack of exercise and small vital capacity. Do some exercise properly at ordinary times. Eat more foods that tonify qi and blood. Keep the ambient air circulating. Avoid prolonged exposure to high temperatures. Take good care of your diet.