The meaning of tears, tears, is the liquid secreted by lacrimal glands, transparent and colorless, slightly salty. Our lacrimal gland is like a "small factory", which is responsible for producing tears. Every time you blink, tears will be evenly sprinkled on your eyes to keep them dry, moist and comfortable. Tears contain lysozyme, immunoglobulin, complement system, lactoferrin, β -lysine and so on. Lysozyme in tears can protect nasopharyngeal mucosa from bacterial infection. In a word, the main meaning of tears is lubrication and antibacterial.
The advantage of crying is that tears can flow out of your eyes in two situations, one is when there is a foreign body in your eyes, and the other is when you cry because you are happy or sad. When you cry because you are in a bad mood, your tears flow the most, which is most beneficial to your health. The benefits of crying psychologists have found that when people are depressed, tears will have an impact on the human body, which is harmful to protein. If you want to cry, you have to endure it. This is not good for your health.
The benefits of crying, do you know why women usually live longer than men? Crying is one reason. Crying can relieve stress. When people cry, tears contain enkephalin complex and prolactin. Interestingly, these two components were not found in the tears of chopped onions. Crying can eliminate the chemicals that cause depression, relieve stress in the body, lower blood pressure, prevent depression and be healthier.