What do people who are prone to catching colds lack?

If you always catch colds, you should pay attention to it. It shows that your physical constitution is poor. It may also be caused by the lack of certain substances in the body. For example, some people are often picky about food, which will cause problems with the body's dietary balance and cause the body to lack vitamin A or vitamin C. This is also an important reason for the decline in immunity, which often leads to colds.

What do people who are prone to catching colds lack?

(1) People who are picky eaters are more likely to catch colds

Most picky eaters lack vitamin A and vitamin C, which is the main reason why they often catch colds. Vitamin A is a fat-soluble substance whose main function is to stabilize the human epithelial cell membrane, maintain the integrity of the skin and membrane structure, and enhance the body's immune function. When picky eating causes vitamin A deficiency, lymphocytes cannot produce immunoglobulins, the ability of white blood cells to phagocytize bacteria is significantly reduced, and the renewal pattern of red blood cells is also inhibited. Under the invasion of viruses and bacteria, the function of the respiratory tract lining as a barrier defense line will be weakened, and respiratory infections will become common.

(2) Lack of vitamin C can easily lead to colds

The human immune system faces attacks from various viruses or bacteria at all times, the most common of which is the cold virus. The average adult catches a cold 2-5 times a year, and a child 4-12 times. Once the human immune system is weakened, the cold virus will take advantage of the situation and invade the body. Weather changes and staying in a closed environment for a long time can cause the body's immunity to decline. The most effective and healthiest way to deal with colds is to improve the body's own immunity. A large amount of vitamin C (500-1000 mg) can effectively help synthesize antibodies, activate white blood cells, and comprehensively enhance the body's resistance. Clinical experiments have shown that large doses of vitamin C are effective in preventing and treating colds. Especially for children with allergic constitution, taking 500 mg of vitamin C every day can improve the body's immunity and reduce the incidence of colds. Even if you already have a cold, large doses of vitamin C can help shorten the course of the cold and relieve cold symptoms. People who lack vitamin C have poor disease resistance and low immunity, so they are prone to catching colds.

(3) Mental stress can easily lead to colds

People who are under mental stress often have their nerves in a tense state, and their nasopharyngeal interferon, nuclease and other antiviral substances are significantly reduced. These substances are closely related to the body's immune function. Due to the reduction of antiviral substances such as interferon and nuclease in the nasopharynx, the human immune function declines, so people who are under mental stress are more likely to catch colds.