Not just digestive juice! Saliva is the first line of defense to protect the human body, and the quality should be equally important.
Tochigi, vice president of Kanagawa Dental University in Japan and an expert in salivary gland health care medicine, said, "If you don't want to get old, you must improve saliva secretion." The strength of saliva can be seen from the quantity and composition of saliva.
Tochigi explained that the main component of saliva is not only water, but also a variety of substances that can prevent viruses and bacteria, resist aging and protect mucous membranes. It is a highly functional liquid. In addition to digestion, saliva has a deep relationship from the prevention of lifestyle diseases such as stroke, cancer, obesity and periodontal disease to the prevention of infectious diseases such as relaxation, anti-aging, influenza and even swallowing pneumonia. If you are a healthy person, you can secrete 1 bottle 1L bottle of saliva a day, which can not only keep your mouth clean, but also protect your esophagus and digestive organs from bad bacteria. This is because immunoglobulin IgA (immunoglobulin A) in saliva is an antibacterial substance, which can prevent colds, flu, pneumonia and colorectal cancer. When there are foreign bodies in the oral cavity, IgA will adhere to foreign bodies such as bacteria or viruses to prevent them from adhering to the oral mucosa, and then the foreign bodies will be washed away by saliva secretion, thus preventing the virus from invading in the oral cavity before the foreign bodies invade various organs in the body. Therefore, IgA has become the first line of defense for diseases to enter the oral cavity, and plays an important role in preventing many diseases such as tooth decay, periodontal disease, cold and flu. IgA also has the function of eliminating bad bacteria in intestinal tract, which can promote the improvement of intestinal environment and enhance immunity. When the concentration of IgA is high, the risk of infection can be reduced. In addition, the substance also has antioxidant effect and can delay skin aging. Japanese immunologist Saion Njike also said that saliva can prevent colds. It is suggested that when people go in and out of public places, they can contain a throat lozenge in their mouth to help them secrete a lot of saliva and resist the invasion of germs.
Improve the quality and quantity of saliva to enhance immunity! ?
The quality of saliva is very important to exert "saliva power", and the quality depends on whether IgA can be fully secreted. If saliva is healthy and excellent, of course, it can secrete a balanced amount. In addition, IgA is also a substance that can be increased or decreased through diet, exercise and living habits. In addition to saliva, nasal water, tears, breast milk and intestinal secretions also contain this substance.
Increase saliva secretion through * * *
Human saliva is secreted by salivary glands, which can be roughly divided into three pairs of large glands, namely parotid gland, mandibular gland and sublingual gland.
The parotid gland, located in the front and lower part of the ear, is the most effective place, especially when you are nervous because of the active sympathetic nerve, you can relax here.
Tochigi pointed out that under the ear, the three fingers slightly extended forward and circled slowly for 2 minutes, circling 10 times.
Drink at least 1 ~ 1.5l of water every day.
If you want to increase saliva, you can't ignore drinking water. If the body is dehydrated, it is difficult to secrete saliva, and immunity will decline. Therefore, in order to maintain the health of saliva, it is suggested that at least one day intake of 1 ~ 1.5L is equal to the water secreted by saliva, although the personal constitution is different.
Nutritionist Lin pointed out that you can simply calculate the amount of water you need in a day by drinking 30 ml of water per kilogram of body weight. If girls are 50 kg and boys are 70 kg, about 1500 and 2 100 ml of liquid water (including drinking water, soup, fruit juice, coffee, etc. ) every day. However, although drinking water is helpful for saliva secretion, it will have the opposite effect when drinking. Alcohol can promote blood circulation in the kidney, increase urine output and excrete more water.
Eat large pieces of food that need to be chewed.
Tochigi said that chewing slowly can promote the development of expression muscles, naturally achieve the effect of salivary glands and increase saliva secretion. In addition to increased secretion, we can also expect to secrete bicarbonate to prevent tooth decay, IgA to improve immunity and even stress-relieving ingredients.
Daily intake of dairy products.
Dairy products such as milk and yogurt can increase the concentration of IgA and have excellent effects on improving the quality of saliva. In addition, it is a healthy food that can prevent osteoporosis and has the function of regulating intestine.
According to the experiment of Tochigi, if you eat 1 10g yogurt every day, the amount of saliva and IgA secretion will increase greatly after two months. Because it takes time to change the environment in the mouth and intestines, it is very important to consume dairy products quantitatively and continuously every day.
Brush your teeth before breakfast.
It is essential to brush your teeth every day if you want to keep your mouth clean. Although many people may think it is good to brush their teeth after breakfast, they can also brush off the residue in their mouths by the way. However, brushing your teeth in the morning is the key.
Tochigi said that the flora in the mouth is controlled by saliva, which makes people less susceptible to bad bacteria such as periodontal disease bacteria and influenza virus. However, because the saliva secreted at night is particularly small, if it is not cleaned first in the morning, bad bacteria will multiply and become unhealthy.
In this case, eating breakfast will make the mouth tend to be acidic and increase the reproduction of bacteria in one breath. In addition, a large number of bacteria will be swallowed together with new bacteria during sleep. Therefore, getting up early and brushing your teeth is the most important thing.