Don’t fall into the 6 “pits” of immunity cognition

  Since the outbreak of the new crown pneumonia epidemic, the public’s attention to immune health has been unprecedentedly high. Many people think that as long as the immunity is improved, it is not easy to get sick. What’s more, it is believed that women’s immunity enhancement can help anti-aging. So, are these claims true?
  First, let’s understand some basic knowledge about immunization. What is immunity? The so-called immunity actually refers to the body’s own defense mechanism. It is the body’s recognition and elimination of any foreign objects (including viruses, bacteria, fungi and other pathogenic microorganisms), treatment of aging, damage, death, and degeneration of its own cells, and identification and The ability to deal with mutant cells and virus-infected cells in the body is a physiological response of the human body to recognize and eliminate “foreigners”.
  What does immunity mean? The basis of immunity is the function of the immune system, and the immune system is an important system for the body to perform immune responses and immune functions. It is mainly composed of immune organs, immune cells and immune molecules.
  So, how does the immune system work? Generally speaking, the human immune system can be divided into three lines of defense. Among them, the first line of defense is the skin, mucous membranes and their secretions, cell membranes, respiratory tract, gastrointestinal tract, urethra and kidneys. The second line of defense is phagocytosis, antibacterial proteins, and inflammation. The third line of defense is mainly composed of immune organs (tonsils, lymph nodes, thymus, bone marrow, spleen, etc.) and immune cells (lymphocytes, phagocytes, etc.) with the help of blood circulation and lymphatic circulation. The three lines of human immune defense work one by one from the outside to the inside. When the first line of defense is breached, the second and third lines of defense will be activated. The three lines of human immune defense are indispensable, interact and complement each other.
  From the perspective of the nature of immunity, immunity can be divided into specific immunity and non-specific immunity. Specific immunity, also known as “acquired immunity” or “adaptive immunity”, is only for one pathogen, which is acquired through infection (recovered or asymptomatic infection) or artificial vaccination (vaccine, vaccine, Toxoid, immunoglobulin, etc.) to enable the body to gain the ability to resist infection. Non-specific immunity, also known as “innate immunity” or “innate immunity”. Like specific immunity, it is a genetic characteristic acquired by humans during the long evolutionary process. However, non-specific immunity is innate to human beings, while specific immunity needs to go through a process to obtain.
  From the perspective of the composition and function of the immune system, the level of immunity is not as simple as imagined, but a complex process affected by many factors. Therefore, boosting immunity can’t be accomplished overnight. In real life, because many people lack understanding of immunity and immune system, they will step into many misunderstandings, which can hurt money from the slightest to the body. Do you know the following 6 misunderstandings about immunity cognition?
Misunderstanding-the higher the immunity, the better

  Interpretation of the truth: In fact, it is not. Immunity is a manifestation of the strength of the immune system. Like other system functions, the function of the immune system fluctuates within a dynamic range. Decreased immune function can cause diseases, and too high immune function can also cause health problems. In reality, some people have autoimmune diseases or allergic diseases due to high immune function, the most typical of which is allergic reaction. For example, allergies to pollen, dust and drugs. The immunity of this part of the body is too high, and it will produce abnormal immune response to some harmless external substances, which will lead to allergies, and in the worst case, it may threaten the safety of life.
  In addition, when the body is in a state of high immunity, the immune system may mistakenly treat its normal tissues or cells as harmful pathogenic microorganisms to attack, which can cause autoimmune diseases, such as rheumatoid joints. Inflammation, ankylosing spondylitis, lupus erythematosus and dermatomyositis.
  It can be seen that too high or too low human immunity is not a good thing, and high immunity should not be pursued too much. Reasonable immune regulation is more appropriate than blindly pursuing immune enhancement.
Misunderstanding 2: Immunity is equal to disease resistance

  Interpretation of the truth: Of course not, there are differences between the two. The so-called disease resistance actually includes immunity, rejection ability, repair ability (healing and regeneration ability), etc., which means that the scope of resistance is wider. When the body’s immunity level is in a normal state, it will naturally have better disease resistance. However, blindly pursuing the improvement of immunity will not necessarily increase the resistance to diseases. On the contrary, it may be counterproductive. For example, when certain infectious diseases are prevalent, someone will inject various immune-enhancing injections, such as interferon and immunoglobulin. Its purpose is to hope that these drugs can be injected to achieve the effect of improving immunity and resisting diseases. But this idea is actually wrong. On the contrary, some immunosuppressive agents are often used in clinical treatment, which will not aggravate the patient’s condition after use, but will make the condition improve. Therefore, immunity cannot be directly equated with resistance, and excessive pursuit of high immunity may also damage disease resistance.
Misunderstanding Three: Being sick means low immunity

  Interpretation of the truth: Usually, when the human body’s immunity is low, it is indeed easy to get sick. For example, recurring colds, diarrhea, respiratory diseases and oral ulcers, as well as slow or non-healing wounds, and even infections. However, in some cases, although the human body is not in a disease state, the immunity may also be in a low state. For example, frequent physical fatigue, mental fatigue and malaise, and the inability to concentrate during work and study may all be signs of a weakened immune system.
  In addition, human diseases may also be caused by high immunity. As mentioned above, diseases such as allergic reactions and rheumatoid arthritis are caused by high immunity. Therefore, the relationship between illness and immunity is not absolute.
Misunderstanding 4: Everyone needs to eat some health products to improve immunity

  Truth interpretation: Of course not. The so-called health product is the abbreviation of health food. It mainly regulates the functions of the human body and is suitable for consumption by certain people, but it is not for the purpose of curing diseases. Although there are many health foods on the market that help regulate immunity, they are not suitable for everyone. It does not mean that immunity will be improved after eating, and it does not mean that you will not get sick. Generally speaking, for people with abnormal immunity, especially the elderly with poor physical condition and people with weak gastrointestinal absorption function, as well as certain people with high work pressure, it is feasible to choose health care products appropriately. But don’t take it as a medicine.
Misunderstandings Five Unclean Environments Can Promote Children’s Immune System Development

  Interpretation of the truth: This view is a bit biased. Many parents believe that children’s immune system is still in the process of development and needs certain stimulation to be more perfect. Too much attention to cleanliness, children will have less chance of contact with germs, and the antibodies produced will be correspondingly less, the resistance will be weakened instead, and may lead to allergies and autoimmune disorders. Actually this kind of view is wrong. The human immune system can form an immune memory against infectious pathogens, once encountered again, it can quickly identify and eliminate them. From this perspective, proper exposure to bacteria does help to improve the immune system. But this does not mean that the dirtier the environment the child is exposed to, the better, and the more pathogenic bacteria, the better. To create a clean environment for children is not to prevent them from coming into contact with bacteria, but to control the concentration of bacteria they come into contact with. Moreover, children should cultivate the good habit of washing hands frequently and paying attention to hygiene from an early age. Therefore, full contact with the natural environment and moderate exposure to bacteria are beneficial to enhance immune function. If the child is excessively required to contact an unclean environment in an attempt to promote the improvement of the immune system through disease, it will have an adverse effect on the child’s health.
Misunderstanding 6: Exercise will definitely enhance immunity

  Interpretation of the truth: Life lies in movement, which has become a universal consensus among people. Studies have found that moderate exercise can promote blood circulation and metabolism, which is beneficial to maintaining a healthy level of body. At present, sports have also become the main means for people to strengthen their bodies and prolong their lives. Moreover, people have experienced the positive effects of exercise on delaying aging, preventing and fighting diseases, improving immunity, and improving health. Although proper exercise can help boost immunity, unreasonable exercise can inhibit the function of the immune system and make people vulnerable to various diseases. The latest research shows that excessive exercise intensity can directly induce lymphocyte apoptosis and cause a temporary decline in the body’s immune function. Therefore, exercise also needs to remember to “step by step and persevere”, especially for people with chronic diseases, it is best to do it under the guidance of a doctor.
  In short, immunity is very important to health, and the key to regulating immunity is to rely on a healthy lifestyle. Taking a balanced nutrition through a scientific diet is the key to improving immunity. At the same time, we must also pay attention to the balance between diet and exercise to maintain a healthy weight; regular work and rest to ensure adequate sleep; work and life should be relaxed and calm. Do not cause new health risks due to excessive pursuit of immunity enhancement.

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