This year’s dog days have started.
Under high temperature
Many people are busy "drying their backs"
Is this really for health?
01
Can basking in the back really keep fit?
Doctor: Don’t blindly follow the trend!
It is said that "sunbathing on the back in dog days" mentioned by netizens can expel the latent evil in the body, which can not only drive away the cold and keep warm, but also relieve depression, improve physical fitness and improve skin color.
Is back drying really effective? Some netizens said that they did see the effect.
Some netizens said that improper sunbathing can easily lead to heatstroke and sunburn, and not everyone’s physique is suitable.
Some people don’t quite understand "basking in the back". Is it uncomfortable to stay in an air-conditioned room?
The doctor reminded: Don’t blindly follow the trend!
Zheng Yanhua, deputy director of the Department of Traditional Chinese Medicine, Panyu Campus, the Second Affiliated Hospital of Guangzhou Medical University, said that many meridians and acupoints are on the back, and drying the back can regulate the qi and blood of viscera. People with deficiency cold constitution, excessive cold and dampness, frequent diarrhea, cold hands and feet, and fear of cold, try to bask in the back properly or help relieve it.
However, Zheng Yanhua reminded that there are still many stresses on sun-drying health care, and you can’t blindly follow the trend. Sun-drying health care has these stresses:
one
When and how long is the sun suitable?
7-9 am, or after 3 pm.
Adults should spend 20 minutes to 1 hour in the sun each time; Because of the delicate skin of infants and children, the sun exposure time can be appropriately shortened to 15-20 minutes; The ability of the elderly to synthesize and use vitamin D is reduced, and the time can be appropriately extended, but they should not be exposed to the sun for too long at a time.
Sunbathing can achieve slight sweating, not sweating and mental irritability. The first sunbathing time can be shorter. If you feel comfortable, you can extend the time slightly, or do it several times.
2
What are the precautions for drying your back?
Don’t dry your back on an empty stomach. You should take sun protection measures on your head, face and eyes, such as wearing a sun hat and sunglasses. You’d better wear a light-colored blouse when drying, and drink water properly before and after drying to supplement body fluid consumption.
You can prepare sour plum soup, mung bean soup and light salt water at room temperature, and carry warm water and heatstroke prevention and cooling drugs in case of emergency.
It’s best to stay behind the sun in the shade to avoid strong winds and cold winds. If you sweat too much, wait until the sweat stops before entering the air-conditioned room.
three
Who are not suitable for drying their backs?
People who are allergic to ultraviolet rays, or people with hypertension, hyperlipidemia, diabetes, coronary heart disease, people with deficiency of both qi and yin or people with yang excess, pregnant women and other people are not suitable for sun drying.
In addition, older people should also be cautious, and it is best to pay attention to various details accompanied by family members to avoid discomfort.
four
Do enough sun protection after eating these foods and medicines.
Avoid sun exposure after eating or touching Chenopodium album (grey vegetables) or other plants with photosensitivity. Common photosensitivity foods include figs, spinach, lettuce, buckwheat, Chinese cabbage, mustard, amaranth and purslane.
After taking drugs that are prone to phototoxic reaction, you should avoid exposure to sunlight or ultraviolet rays during taking the drugs and within 5 days after stopping taking them. The incidence of phototoxic reaction is higher in the class of antibacterial drugs, such as ciprofloxacin, ofloxacin and enoxacin. In addition, tetracyclines and sulfonamides have also been reported in phototoxic reaction.
Therefore, it is recommended to read the drug instructions carefully before taking the drug, especially when it is indicated in the instructions that the drug can cause phototoxic reaction, you should take good sun protection measures, such as applying sunscreen before going out, wearing umbrellas, sunglasses, trousers and long sleeves to avoid direct exposure of the skin to the sun.
02
About dog days
These rumors need to be vigilant!
Every year, some people blindly keep in good health. The following are some common rumors to clarify:
one
Detoxification after sweating in the dog days?
When the weather is hot, such as dog days, people sweat to better dissipate heat. It is a normal physiological phenomenon that the skin releases heat and regulates body temperature through sweating.
However, excessive sweating and water loss are prone to dehydration and even heatstroke. In the theory of traditional Chinese medicine, there is a saying that sweat and blood are homologous, which means that sweat is transformed from body fluid, and both body fluid and blood come from the subtle grains (nutrients) transported by the spleen and stomach. When sweat is too outdated, its blood will be deficient.
Therefore, sweating slightly is enough, and timely summer vacation is the right solution.
2
Can’t touch iced drinks in the dog days?
Many people may have heard that you can’t touch cold drinks in dog days. In fact, it depends on your physique.
If it is a hot constitution, you can drink ice water or cold drinks in moderation; If you are deficient in cold constitution, you should try to drink warm water or cool white water in hot days.
Need to be reminded that no matter what constitution, excessive drinking of cold drinks will affect the health of the spleen and stomach. Even if the weather is particularly hot, you need to sip slowly when drinking cold drinks.
three
Should heat be used for health preservation in dog days?
In the dog days, "heating with heat" actually refers to nourishing yang in summer, and the best effect is to pursue victory and nourish yang in the solar terms with the highest yang.
However, "heating with heat" is not just hot. You can change iced drinks into warm or normal temperature herbal tea and take a bath with warm water instead of a shower.
four
Carry Huoxiang Zhengqi with you to prevent heatstroke?
The main functions of Huoxiang Zhengqi Water are relieving exterior dampness, regulating qi and regulating middle warmer. It can treat fever, chest tightness, abdominal distension, vomiting and diarrhea caused by moisture in hot days, and nausea and vomiting (summer-damp cold) caused by excessive dampness.
Huoxiang Zhengqi Water is not used to prevent heatstroke, but to treat summer-damp cold. If you want to prevent heatstroke, stay away from the high temperature environment, take the initiative to cool down, and replenish water and electrolytes.
five
Summer training is suitable for everyone?
Practicing dog days in summer is a traditional method of keeping in good health, which means strengthening the body’s heat resistance and preventing heatstroke and other diseases through proper exercise in the hottest summer. The main purpose is to improve the body’s adaptability to the environment through exercise.
However, dog days are characterized by high temperature and high air humidity, so "practicing dog days in summer" requires skill:
Time: the dog days are long, so you can go to bed late and get up early in work and rest, and it is best to choose early morning or evening when the temperature is relatively cool;
Exercise: Swimming, yoga, Tai Ji Chuan and other sports are recommended, which can not only strengthen the body, but also do no harm to the body due to excessive exercise.
03
Correct dog days regimen
Save it in favorites immediately
one
Drink more hot tea.
Chinese medicine believes that health care should conform to the season, and it will be hot when it is hot in summer, and it will be sweaty when it is sweating. In dog days, we should follow the seasonal law and use the "heat-keeping method" to heat up and cool off the summer heat healthily.
2
Have some hot food
As the saying goes, "Eating radish in winter and ginger in summer does not require a doctor to prescribe". Ginger helps to warm the middle and dispel the cold. In addition, cinnamon and fennel can be used as isothermal seasonings in summer.
Hot meats such as mutton and beef can also warm yang and dispel cold, especially suitable for people with cold hands and feet and insufficient blood in summer. People with toothache, excessive internal heat, fever and other symptoms, or people with a hot constitution should avoid eating.
three
Washing hot water
Taking a bath with hot water will dilate the capillaries of the body, which is beneficial to heat discharge. The water temperature is generally controlled at about 30℃, and you can also wipe your face and body with a hot towel to help your body sweat and cool down and make your skin breathable.
four
Hot water soaking feet
Foot is the second heart of human body. Soaking feet with hot water can make blood flow smoothly, increase the blood flow rate and flow rate of feet and enhance metabolism. When soaking feet, the suitable water temperature is 42 C-45 C, and it is appropriate to be warm and comfortable.
five
Do moxibustion
Chinese medicine believes that moxibustion in dog days will get twice the result with half the effort. When moxibustion is applied, you sweat moderately, and the heat and dampness in your body are also discharged. Drink some warm mint leaf water after moxibustion, and your body will feel extremely refreshed.
six
Sweat properly
In summer, it is necessary to "control sweat with sweat", and exercise is an important way to sweat. Exercise can also strengthen heat adaptation, improve the body’s function of regulating body temperature and prevent heatstroke.
You can choose jogging, Tai Chi, walking, swimming and other less strenuous exercise methods. It is recommended to exercise in the morning or evening to avoid sweating and hurting qi and blood.
04
Do these things
Cool off the summer and get comfortable in the dog days.
If you feel sweaty and lose your appetite in summer, try the heat-relieving method recommended by experts, and you can "naturally cool" without turning on the air conditioner to the maximum.
1. A small amount of water for many times
Drink plenty of water in summer, but be careful not to add a lot of water (more than 500 ml) at a time. It is recommended to drink one or two glasses of water first, and then drink every half hour. The water temperature should not be too hot or too cold.
2. Eat "bitter" appetizers
It is easy to lose appetite when you enter the dog days, so you can eat more bitter food, such as bitter gourd and bitter chrysanthemum. Chinese medicine believes that suffering into the heart can clear the heart fire and is conducive to nourishing the heart in summer. Bitter gourd is cold, and people with poor constitution and deficiency of spleen and stomach should not eat more.
3. Don’t be too greedy
Too cold air conditioning can easily cause a variety of discomfort, so it is best to adjust it to about 26C, or ensure that the temperature difference between indoor and outdoor exceeds 7 C. Let the air conditioner blow upward, avoid blowing directly on the body, and focus on protecting the neck, back, abdomen, waist and knees.
Don’t take a cold shower after sweating profusely. Try to eat as little cold drinks as possible. If you must, it is best to eat between noon and 3 pm.
4. Choose cotton and linen materials for clothes.
The material of clothes will affect the evaporation of sweat. It is recommended to use cotton, linen, silk and other materials that are loose and hygroscopic, or to choose synthetic fiber materials with strong permeability.
5. Go to bed late and get up early
Going to bed late is not advocating staying up late, but working on time according to the characteristics of day and night changes in summer. It is better to fall asleep before 11: 30 in the evening and get up at 6 or 7 in the morning. You can take a nap for 30-60 minutes at noon, which is beneficial to the balance of qi and blood and helps to replenish your physical strength.
Step 6 be calm and cool naturally
In hot and humid weather, people are prone to signs of "emotional heatstroke" such as upset and listlessness. Sitting still, watering flowers, reading, listening to music, etc. are all helpful to relieve irritability.
Want to receive more popular science knowledge in time
Set "Guangdong popular science" as a star sign ~
↓↓↓
Recommended video today
How did wheat get on the road?
The table of all mankind?
Wheat as an exotic species
How to become a frequent visitor at the dinner table step by step?
Poke video
Show you the "past lives" of wheat.
Popular reading
(Click on the picture to read)
Original title: "Recently, many people are" drying their backs ".Do you do this for health in the dog days? The doctor reminded … "
Read the original text