The WHO recommends a sodium intake of less than 6g per day, and the dangers of excessive long-term sodium intake are as follows: First, hypertension, sodium can directly stimulate blood vessels leading to increased blood pressure, excessive sodium intake will lead to increased potassium loss, and an imbalance in the sodium-potassium ratio will also affect blood pressure. Second, increased sodium will lead to increased calcium loss in the body, increased calcium loss will lead to a reduction in bone mass, and even osteoporosis. Third, excessive sodium intake will also cause excessive water intake, resulting in increased blood volume, which will increase the burden on the heart and kidneys. Fourth, research shows that excessive long-term sodium intake can increase the incidence of atrophic gastritis and gastric cancer.