The long time of mental stimulation, the holding of anger, chemotherapy, physical therapy, blood washing, late night, excessive fatigue, etc.
Smoking, drinking, drinking, eating hot pepper and other stimulating foods.
They suffer from cold, heat and lack of water for a long time.
They often eat cold, dry, barbecue and other foods.
eat fresh wheat, corn, sweet potato and other food crops.
related to the digestive system, such as indigestion, gastritis and constipation.
there are also a small number of people related to genetic factors.
it is also related to endocrine disorders
