| For headache, stuffy nose, cough, fever, itchy eyes, sore throat and muscle pain these common cold symptoms, you should understand them very much. Every year, Americans spend billions of dollars in treating common cold, from paper towels and vitamin C to the non-prescription decongestants and herbal tea, there are many species, but there is no antidote to the common cold. Fortunately, with the certain measures, you can more easily restore.
The cold is an upper respiratory tract infection; it is caused by a hundreds of different viruses. Unfortunately, the human body must rely on their own natural defenses to defend against it. Scientists have yet to find a method to eliminate these viruses. When we are cold, the virus particles penetrate the mucosa of the nose and throat, and adhesion to the cells there. Virus in the cell membrane perforation and pour the virus's genetic material into cells. Soon the virus will take over and force the cells to produce thousands of new virus particles.
In response to viral invasion and the tissues defense: the nose and throat release chemicals that start the immune system; damaged cells produce chemicals called prostaglandins, trigger inflammation and attract white blood cells that fight infection; small blood vessels stretch, expand the space for blood(plasma) and special white blood cells into the infected area; elevated body temperature, enhance the immune response; the release of histamine, increased mucus production, in order to trap the virus particles and cleared from the body.
With the growing war against the cold virus, the body began counter-attack: special white blood cells that is known as monocytes and lymphocytes; the interferon often referred to as “the body's own antiviral”; and 20 circulating in the plasma variety of proteins, they can be wrapped in the virus and infected cell surface, so that white blood cells is easier to identify and eliminate the virus.
The symptoms of a cold you feel is actually the body's natural immune response. In fact, when you feel that you have caught a cold, you may have infected one and a half day. Once you are infected, you can still try to ease the pain.
If you are cold, you should drink more water to eliminate the toxins. Do not have medicine at the beginning of the cold, in order not to form the antibodies in our body. In fact, we should do more exercise in order to strength our physical so that we are not easy to have a cold.
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