Month: January 2012

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Who is more harmful to ears, ordinary earphones or in-ear earphones?

(The above picture shows ordinary earphones; The following figure shows in-ear headphones.) First, the damage caused by listening to earphones belongs to chronic sound damage. The damage of sound to hearing is called noise deafness in medicine. Noise deafness is mainly divided into chronic sound injury and acute sound injury: A. Chronic sound injury: refers to slow sensorineural deafness caused by long-term exposure to noise stimulation. B. Acute sound injury: It is caused by close explosion (such as bomb explosion nearby during war) and is caused by instantaneous exposure of high-intensity impulse noise. II. Noise Intensity and Exposure Time The severity of noise damage to hearing is mainly determined by noise intensity and exposure time. The greater the intensity, the Read More …

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Hypertension, a disease once despised,

Throughout the history of medical development, medical [common sense], which seems to be taken for granted, has often gone through tortuous and long exploration and research. There are many similar examples, such as today’s theme: [Hypertensive Patients Need Hypotension]. It is also common sense today that hypertension should be lowered. However, in the middle of the last century, the common view of people (including the medical profession) was still: [After arteriosclerosis, higher blood pressure is needed to allow blood to pass through narrow blood vessels, so hypertension is an important compensation for people and should not be intervened.] Due to such misconception, the vast number of hypertension patients failed to receive necessary antihypertensive treatment and eventually became victims of hypertension Read More …

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Caesarean section or natural delivery? It is determined by these four factors

Natural delivery or caesarean section? For an obstetrician, this question will run through his career. It is unrealistic to answer [which is better] in a few words. When the conditions are suitable, it is to encourage parturients to give birth smoothly. However, there are four major influencing factors that decide to give birth smoothly: labor force, birth canal, fetus and mental state. If doctors judge that it may be difficult to give birth smoothly, cesarean section should be carried out in time to terminate pregnancy. Four Influencing Factors 1. Productivity Productivity is the force that forces the fetus and placenta out of the womb. The main sources of this force are uterine contraction, abdominal muscles and pelvic floor muscles, and Read More …

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Is cesarean section a better choice?

Vaginal delivery is a delivery method created by God for human reproduction when he created human beings. However, due to a series of viewpoints circulating in the society in recent years, such as cesarean section is safer, children are smarter, postpartum sex life is less affected, and labor pain can be reduced. As a result, many pregnant women and their families, Make up your mind to have a cesarean section from the day you are sure of your pregnancy. The wrong ideas affect not only ordinary pregnant women, but also medical workers, even doctors, nurses and midwives who work in obstetrics and gynecology. So when some doctors suggest that you have a cesarean section, it is not profitable, but it Read More …

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Be cautious when injecting botulinum toxin, hyaluronic acid and other beauty products.

Recently, the food and drug regulatory authorities have cracked many cases of selling and using illegal drugs and medical devices in beauty salons. Take Zhejiang [March 13] case of manufacturing and selling fake drugs and unlicensed medical devices as an example: Suspect Wang Mou Opens Medical Beauty Center in Ningbo, Purchase botulinum toxin injection marked [BOTOX] [Hengli] and hyaluronic acid injection marked [Restylan] from criminals in Shenyang, Hebei, Shenzhen and other places. After investigation, More than 50,000 bottles (branches) of 77 varieties involved in this case are fake drugs or unregistered medical devices. Sixty suspects have been arrested and fake dens and sales networks distributed in more than 20 provinces (autonomous regions and municipalities) have been destroyed. Through sorting out Read More …

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Coronary Heart Disease-Cardiac Stent and Bypass Surgery

According to the 2013 edition of the China Cardiovascular Disease Report, Cardiovascular diseases have long surpassed tumors, respiratory diseases, trauma, It has become the leading cause of death from diseases in China. About 3.5 million people die each year from cardiovascular diseases, or 9,590 per day, That is, about one person dies of cardiovascular diseases every 10 seconds. What is more noteworthy is that In the 1990s, Cardiovascular disease is also a affluent disease among high-growth urban dwellers, Now, With the improvement of living standards, In the past five years, the proportion of deaths caused by cardiovascular diseases has been comparable between urban and rural residents. It accounts for about 40% of all deaths among Chinese residents, It is estimated Read More …

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A real man? Dermatologists teach you how to treat alopecia!

Today we will talk about [masculinity]. The former [girl idol], Prince William, not only inherited his handsome appearance from his mother, but also suffered from hair loss from his father’s line [ancestral]. Compared with Prince Harry, who is not a few years away from him, the difference in hair volume is not only a little. In addition to the prince, I have a male friend who has an ancestral Mediterranean alopecia and was often called “good teacher” by junior students in high school. He has also become accustomed to this scene and always nods with poise: “Hmm”. But as a warm-blooded man, his man show’s heart, which can be calm. So he still keeps reprinting on the circle of friends: Read More …

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Tooth washing is not whitening

As an stomatologist, I often earnestly advise my relatives and friends to clean their teeth regularly. The so-called “tooth cleaning” is actually what people usually call “tooth cleaning”. However, every time we encounter some misunderstandings, we can see that everyone has a very big prejudice against tooth cleaning. In fact, tooth cleaning is very necessary for the vast majority of people, but there are too many wrong understandings. 1. Why do you want to clean your teeth? First of all, tooth cleaning is a deep cleaning of the oral cavity. Standardized brushing and gargling are also difficult to completely remove food residues and soft dirt. Inorganic salts in the oral cavity deposit in dental plaque and gradually form dental calculus. Read More …

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Placebos cannot cure diseases, and placebos may also [be harmful]

Placebo agent is already familiar to many people. Most of the understanding of placebo comes from [randomized double-blind controlled] experimental settings in medicine. Placebo and placebo effect have caused great discussion and controversy throughout the history of medicine, and have continued to this day. What are the characteristics of placebo effect? As a substance that should not produce any biological effects, it works through what? What factors can affect the placebo effect? Is placebo therapy clinically and ethically appropriate for patients? The history of placebo The word Placebo comes from Latin and its original meaning is [to make pleasure]. It first appeared in the Great Dictionary of New Medicine published in England in 1785 and has clearly pointed out that Read More …

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Pregnancy and childbirth: Pregnancy [Sex]

As the saying goes, people have three urgent needs: [Urgent urine, urgent excrement, urgent color], the first two urgent must be solved immediately, immediately and on the spot. In most cases, there is no need to pay attention to what venues, conditions and atmosphere. [Urgent color] is not as urgent as the first two urgent, but more attention can be paid to it. The more flowers, wine, concerts and other atmosphere that create romantic emotions, the better. However, there may not be any ceremony to pay attention to when it is really urgent. What do you mean [urgent]? [Urgent] Is to have the feeling to pay close attention to the implementation, can’t wait, wait for a long time to have Read More …