Sun Simiao, a medical scientist in the Tang Dynasty, advocated "gargling as early as possible so that body fluids can be swallowed", and Emperor Qianlong also summed up the secret of "swallowing body fluids often".
Modern medical research has also proved that saliva has the functions of detoxifying immunity and helping digestion. It contains amylase, which can help digestion and promote absorption. The lysozyme contained in it can kill harmful microorganisms mixed in food and effectively prevent gastritis, digestive tract ulcer and tumor.
Extended data:
According to laboratory analysis, saliva contains water, enzymes, urea, vitamin B, protein (mucin and globulin), organic matter, amino acids, thiocyanate, alkaline ions, sodium, potassium, magnesium, calcium, amylase, maltase, phospholipase, lysozyme and peroxidase.
American scholars have found that saliva contains "nerve growth factor" and "epidermal growth factor" which can promote the growth of nerve cells and skin epidermal cells. Japan Food Research Institute found that "saliva can remove free radicals harmful to human body from oxygen and food", and the most valuable thing is that saliva also has a strong anti-cancer effect.
Research by experts from the Medical College of the University of Georgia in the United States shows that highly carcinogenic aflatoxin, 3.4- benzene ratio and nitrite will disappear after 30 seconds of contact with saliva, and it is suggested that "it is best to chew for 30 times every meal".
Because of this, health care scholars at all times and all over the world have praised it as "Huachi Shenshui", "Golden Paste", "Golden Gold", "Jade Liquid", "Yuquan", "Manna", "Purifier" and "Natural Anti-cancer".
People's Network-Top Ten Longevity Secrets for Ancient People to Swallow saliva 300 times a day and Live to 99 times.
Taizhou Channel-Royal Health Care: Teeth are often buckled, body fluid is often swallowed, and nose is often rubbed.