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The cold winter is finally slowly away from us, and spring is coming, some people are fortunate, but research shows that cold is sometimes very helpful to people's health, and cryotherapy has also become a new topic for scientists.
"Cryotherapy" mainly studies the effect of body temperature on lifespan. This was first proposed by a Japanese scientist in 1975. When he observed rheumatoid arthritis patients, he suddenly discovered the positive effect of low temperature on the human body. Soon after, doctors tried to use cryotherapy to treat skin diseases, wind chills, asthma, and even snoring. This therapy has continued to develop to this day.
The benefits of cold
In fact, we can use cold methods in our lives to make our bodies healthier. Let's say take a cold shower. If you are sensitive to cold temperatures, jumping into the water desperately like a winter swimmer is likely to cause "cold shock", which can cause a very serious unstable heartbeat, especially for the elderly and sub-healthy people. The sudden cold can kill people directly in three to five minutes. But in fact, waking up in the morning is just a cold water bath, rather than completely immersing the body in the water but it is completely beneficial and can play a role in strengthening the body's immune system.
Professor Vijay Kakkar, the founder of the London Thrombosis Research Institute, proposed that cold water can promote blood circulation and stimulate the growth of immune cells. His theory is that, during and after taking a cold shower, the body tries to resist this cold and warm itself up, so the rate of metabolism is accelerated, which activates the immune system and causes more white blood cells to be released. It is very useful against germs from outside. A similar study appeared in Germany, and found that people who take a two-minute cold bath every day are less likely to catch a cold than those who take a hot bath.
In addition, sleeping in a lower temperature environment can also improve people's sleep quality. The human body is most likely to feel comfortable living at room temperature of 21 degrees Celsius and above. However, if the living room temperature is lowered, it may mean that the risk of cough and cold is also less.
"This is not to say that cold is protective. Cold weather helps to keep the virus alive," said John Oxford, a virology professor at Buzz and the Royal Hospital of London. "But the air-conditioning heating system will It makes the air dry, and it also makes the wet lung membrane dry. This is very unfavorable for the body to fight viruses and other infectious diseases. "Keeping a window open while sleeping can not only make the air in the room flow, It can also transfer viruses in the air.
At night, the bedroom should also be kept at a relatively low temperature to help sleep well. The Sleep Committee recommends that the temperature of the bedroom at night during sleep should be between 16 and 18 degrees Celsius. The core body temperature of our human body is at the lowest state at night, but for people with insomnia, the body temperature will rise, so a cool environment can help solve this problem. But again, if the room is too cold, it can also cause people to sleep restlessly at night.
Relieve labor pain
In addition, the cold can also reduce the pain of women after childbirth. The frozen massage through the friction of ice and skin is a very effective non-pharmacological therapy for women who are about to give birth. The results of this study were published last year in the journal "Adjunct Therapies in Clinical Practice".
Researchers in Iran divided 90 pregnant women into three groups. One group received frozen massage, the other received acupressure, and the third group received placebo alone. As a result, women who received frozen massage had the most pain reduction and lasted the longest, while women who received acupressure massage were also helped but did not last as long as frozen massage.
Janet Fyle, a nurse consultant at the Royal College of Midwives, said: "Frozen massage can help women who do not want to use medicine to relieve pain. But I will not put ice cubes directly on women's bodies because of this May cause frostbite. "The traditional acupuncture treatment of needle replacement with ice for acupoint treatment can play a role in relieving pain. Ice acupuncture is a traditional Chinese treatment, that is, applying ice to key points on the human body.
"Although there is no clear evidence of why this approach works, it does work for some people," said Colin Paterson, a physical therapist and lecturer at Bournemouth University. Medical research has found that it can relieve low back pain and even labor pain. A study published in the "Pain" magazine in 2005 found that this method can reduce the pain by up to one-third. It seems to be very useful in dentistry. It can effectively reduce more than 50% of pain, abscesses and other serious problems. .
Cold water bathing is also helpful for women who have just given birth and have had a perineal incision. A German physiotherapist Louis Kuhn developed a new set of natural remedies in the 1880s. He found that taking a bath with cold water covering the buttocks can help relieve a series of diseases, especially the anus and rectum Diseases, including hemorrhoids and pain after childbirth. In the 1986 study, 40 patients underwent perineal incision, a surgical incision made to expand the birth canal. Some of these people chose cold water baths, and some chose warm sleep baths. Finally, women who choose to take a cold bath are much less painful than women who take a hot bath. "During the midwifery process, we often use cold compresses to help paralyze pain in local areas of pregnant women." Janet said.
Cryotherapy for diseases
Cryotherapy has also become a new method of treating diseases and even cancer. Cryoablation of cancer cells to kill them is a relatively new treatment for cancer. Israeli medical company IceCure has developed a new technology that uses cryotherapy to treat breast cancer, and the company is currently conducting clinical trials on it. If the trial is successful, breast cancer patients will be able to "remove" the tumor in the body without undergoing surgery.
Cryotherapy, also known as cryosurgery or cold ablation, is a surgical technique that eliminates target tissue by freezing. In the process of using this cryotherapy developed by IceCure, medical personnel first inject liquid nitrogen into a special needle through a micro tube, freeze the needle to minus 170 degrees Celsius, and then repeatedly insert the frozen needle into breast cancer patients. In the cancerous tissue in the body, until the cancerous tissue is frozen into an "ice ball", it is "killed".
At present, the common method of treating breast cancer is mastectomy. Compared with surgery, IceCure technology is undoubtedly a better choice. The entire treatment process is only about 15 minutes without surgery-this means that breast cancer patients do not need to undergo surgery, of course, do not need to undergo painful recovery treatment after surgery, and there will be no scars on the body.
Herz Himmel Fab, the president of IceCure, said in an interview: "Before, some scientists used high temperature to kill cancer cells, but the human body is very sensitive to high temperature, this treatment will be very painful, and freezing will produce paralysis The result is that the patient hardly feels pain during or after the treatment. The system device we developed minimizes the harm to the patient as much as possible, and the surgical process is relatively rapid, and in ordinary clinics Can also be used. "
This technique is also used in prostate cancer surgery, which is a boon for men who are unwilling to undergo surgical treatment or radiotherapy. Scientists believe that cryotherapy is expected to be used in the treatment of kidney cancer and liver cancer in the future.
Not only for cancer treatment, cryotherapy also seems to help arthritis. Today, in Europe, letting you spend a few minutes in a special "freezer" for a while has become a mainstream treatment for doctors to treat arthritis. Scientists believe that after this treatment, the chemicals released in the inflammatory response will be greatly reduced.
In the UK, there are a few medical centers that provide this treatment. In an 8-foot-high cabin, liquid nitrogen or supercompressors are used to cool the air to minus 80 to 90 degrees Celsius. The entire treatment process lasted about 5 minutes, and the patient remained standing throughout the process. They wear relatively few clothes so that the cold air can cool the skin (the body's core temperature does not change during this process), and they also wear socks, gloves and masks to protect their limbs and face from frostbite.
"This does not completely cure arthritis, but it can help manage the disease and improve the quality of life." Iain Casey, a sports scientist, said that he is an ongoing one of the British National Health Service (NHS) Whitington Trust. Supervisor of the study on "Whether cryotherapy can help recovery after knee surgery". Source: Oriental Morning Post
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