Can you believe it? A pair of underwear can sell for hundreds, thousands or even tens of thousands of dollars!
The grumpy little doctor found that the current panties are so "magical"!
Women, can regulate menstruation, fertility, warm the palace, anti-inflammatory, anti-cancer...
Men, can enhance sexual function, strengthen the waist and kidneys, prevent and treat hemorrhoids and prostate diseases...
The names of the magic panties are all unconscious: far infrared, magnets, quantum, graphene, nanosilver, heat conduction, biofield...
But the effect of putting it on is only 5 words - spend money to find guilt!
(Source: Zhejiang Satellite TV)
Is "crossover panties" great value for money, or is it a harvest IQ tax? We picked a few typical ones to find out.
Actual situation:
Far infrared physical therapy is indeed used medically to treat lumbar disc herniation, pelvic inflammatory mass, frozen shoulder, etc., and can also promote the healing of infectious wounds [1-4]. To put it bluntly, it is through the instrument to produce heat to accelerate local blood circulation, and the effect of the heater is similar.
Far infrared physical therapy has strict regulations on the object of treatment, time, distance, etc. The time should be controlled to 15 to 30 minutes each time, and the distance from the skin should be 20 to 60 cm [4].
Image source: Stand Cool Helo
Possible harm to the human body:
Let's not talk about whether the far infrared panties can release the far infrared rays in the end, even if it can really "continue to heat", it is best not to wear!
First, redness and itching of the skin may occur [5].
Second, it is not conducive to the health of the "little brother". The reason why the testicles are hung outside the body is to maintain a lower temperature (34 ° C ~ 35.5 ° C). Increased temperature can affect the spermatogenesis function of the testicles, which in turn leads to semen abnormalities [6].
Graphene is the "king of new materials" and has excellent properties in optics, electricity, heat, mechanics and other aspects [7].
The main "ultra-high thermal conductivity" of the merchant is simply that the heat dissipation is good. This alone cannot be deduced from the so-called bactericidal and bacteriostatic effects of graphene underwear [8].
True graphene is expensive, and if you want to produce a complete set of underwear with pure graphene, the cost is simply "golden jade clothes"[9]!
The application of graphene in the medical field is still under study, whether it is harmful to the human body or beneficial, there is no conclusion for the time being.
But one thing is certain, with the current market price of tens of yuan to hundreds of thousands of yuan, even if graphene is really added, the content is very small [9].
Silver ions do have a certain antibacterial effect. Water purification devices made of silver are commonly used on aircraft, and silver-containing antimicrobial materials are often used to prevent oral Candida albicans infections [10].
From the description of the merchant, we can't tell how the silver ions are released, or even whether the silver ions are really added.
But one thing is certain: the United States has announced restrictions on the use of antimicrobial nanosilvers in textiles on the grounds that the use of nanosilvers, which has not fully passed safety tests, may pose a potential threat to consumer health [11].
Instead of buying silver underwear for antibacterial, it is better to change them every day!
There is no conclusive evidence that magnetic therapy has medical effects, and it has been identified as a hoax by the U.S. Food and Drug Administration (FDA).
(Image source: US FDA)
The mainland has also adopted corresponding regulatory measures for magnetic therapy products. The former State Food and Drug Administration (CFDA) issued the Guiding Principles for the Technical Review of The Registration of Magnetic Therapy Products in May 2011, which was revised in 2016 to clearly state that it should not be named after the type of disease treated, the efficacy of treatment, etc.
The CFDA also suggests that magnetic therapy products may cause electrical shock, burning, harmful radiation, infection and other consequences.
In 2017, the CFDA issued a new announcement, clearly abolishing products such as magnetic therapy health cups and phenotype magnetic therapy devices and prohibiting production.
If there is a real magnetic field, it should not be used for a long time, otherwise it will affect sperm quality or cause local blood circulation to be poor [13].
As for some of the more metaphysical panties, such as the "quantum panties" that improve microcirculation with the help of "high-frequency vibrations of quantum energy" and thus improve male sexual function, it is really difficult to explain with science.
(Image source: a shopping website)
The so-called "cross-border has no lower limit, mix-and-match deception laymen".
Most of these concepts of efficacy hyped by merchants are invisible and intangible, and it is more difficult to be completely falsified.
But back to the original meaning of underwear, is it not good to choose a comfortable, inexpensive material?
As long as you change and wash frequently, your underwear can keep you healthy and safe.
First, women's underwear, look for 3 o'clock
1. Material
There are cotton, modal, bamboo fiber, ice silk, silk, etc., the feel is different, and the comfort is also different.
The material is especially important for breathability.
Pure cotton is more skin-friendly, sweat-absorbent, breathable, and comfortable even if worn for a long time, and it is also suitable for sports.
2. Shape
There are many shapes of girls' panties, and daily wear should be based on comfort, that is, whether lying, sitting, standing, or walking, it will not feel tight. Are briefs better or boxers? Comfortable dress is the most important thing!
3. Color
Select a light color system. Most of the dark underwear is dyed with dyes, and it will contain some harmful substances. Studies have shown that some azo dyes release aromatic amines that have carcinogenic effects on the human body under certain conditions [14].
Also do not be too white, as it is likely to be the result of excessive bleaching, which may affect the immune system, leading to skin diseases, etc. [15].
Second, men's underwear, also look for 3 points
Pure cotton material is the first choice of pure masters, and it is the best care for eggs.
However, pure cotton is easy to absorb sweat and is not easy to dry, and you can also choose to buy underwear blended with cotton in the summer. This is a material made of cotton and chemical fibers mixed and woven in a certain proportion, which can be identified by product labels.
The shape of men's underwear is not as varied as that of women, mainly triangular and flat angles, and can be selected according to your own preferences.
3. Tightness
Men's underwear should not be too tight. Loose panties are conducive to local heat dissipation, giving "little brothers" and "eggs" a cool environment, which is conducive to the health of sperm.
brief summary
1. Regardless of the material, style or color of the panties, "plain" is good!
2. Don't believe the "nonsense" on some advertisements, and pay the IQ tax in vain in order to chase "high technology".
Special author: Wang Mei| deputy chief physician of the Department of Gynecology of Beijing Muslim Hospital
Reviewers:
Wang Qi | Chief Physician of the Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital affiliated to Capital Medical University
Wang Yihong | deputy chief physician of the Department of Obstetrics and Gynecology of the Seventh Affiliated Hospital of Henan University of Science and Technology
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[9]http://www.piyao.org.cn/2020-10/29/c_1210862107.htm
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[11]http://www.ccpittex.com/fzzx/gjzx/56858.htm
[12]https://www.fda.gov/media/84561/download
Hong Rong, Zhang Yan, Liu Yun, et al. Effect of very low frequency electromagnetic field on DNA and sperm chromatin structure of testicular cells in mice[J]. Chinese Journal of Occupational Diseases of Labor Health, 2005, 23(6):414-417.
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*The content of this article is a popularization of health knowledge and cannot be used as a specific diagnosis and treatment recommendation, nor is it a substitute for face-to-face consultation by a practicing physician, for reference only.
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