Prevent frostbite when the wind cools down. The temperature has plummeted and the weather is cold. Everyone must be on guard against frostbite. As the saying goes, "frostbite comes every year." Frostbite is common in winter, which is caused by repeated erythema and swelling damage of local skin due to the cold climate, and in severe cases, blisters and ulcers will occur. Frostbite will heal itself after climate warming, but it is more likely to recur. So, how to prevent frostbite? Here are some ways to treat and prevent frostbite for you to choose from.

Yellow fruits and vegetables can fight colds.

These orange fruits and vegetables are not only rich in vitamin C, but also rich in carotene, which can help you improve the immunity of cells, not only help you prevent colds during the flu season, but also accelerate your recovery after catching a cold.

In addition, carotene contained in yellow fruits and vegetables can also be converted into vitamin A beneficial to eye health and skin health, protecting eyesight and improving skin quality.

Therefore, if you use the computer for a long time, or if you are exposed to an unclean air environment for a long time, you should also eat more fruits and vegetables.

Examples of fruits and vegetables:

Oranges, oranges, pumpkins, carrots, sweet potatoes, grapefruit and sweet corn.

Please pay attention to 8 common health knowledge when the wind cools down.

First, wear a mask when going out.

Experts say that the mouth and nose are the portals of the respiratory tract, and the immunoglobulin secreted by them can resist the invasion of bacterial viruses and avoid the occurrence of diseases such as colds, tracheitis and pneumonia. It is recommended to wear gauze masks when going out, and pay attention to changing them every day. Under the premise of ensuring that the body does not catch cold, it is not advisable to cover it too tightly. Sweating will reduce immunity.

Second, cardiovascular patients should not go out in the morning.

The sudden drop of temperature is easy to induce diseases such as stroke, cerebral infarction and myocardial infarction. Experts remind that patients with cardiovascular and cerebrovascular diseases should try not to go out in windy days except to keep warm, and it is best to go out after 10. It is best to take some quick-acting pills, nitroglycerin and other drugs when going out.

Third, don't rub foreign objects in your eyes.

Windy weather can easily lead to foreign bodies entering the eyes. Experts advise not to rub it at this time, otherwise it is easy to scratch the cornea by foreign bodies, which may also lead to foreign bodies embedded in the cornea, thus causing infection and inflammation. You can blink more and promote the secretion and discharge of tears.

Fourth, don't hurt your skin.

Strong wind will accelerate the loss of skin moisture, and over time, it will easily become rough and peeling, and even cause chapping and itching. It is suggested that the temperature of washing face should be controlled at 20-37 degrees Celsius, and skin care products with good moisturizing effect should be selected.

Fifth, wear knee pads to protect joints.

Experts say that some normal people also feel joint pain in windy weather, so it is very important to keep warm. Cyclists may want to wear knee pads and wrist pads to protect their joints.

Six, open the window for ventilation twice a day.

Experts say that excessive temperature difference between indoor and outdoor will also lead to high incidence of diseases. Rooms with heating often close doors and windows, which is not conducive to the exchange of indoor and outdoor air. It is recommended to open the window twice a day for 30 minutes each time, depending on the air outside.

Seven, don't take the alley.

Many places in the city will be blocked by buildings, forming a "narrow wind" in a certain area, with high wind speed, so try not to take alleys. In addition, when going out, you should also pay attention to advertising racks, publicity columns, heavy objects blown off trees, etc.

Eight, well ventilated, to prevent gas poisoning.

Fire experts reminded that coal stoves, gas switches and pipes should be checked regularly for air leakage and cracks in kang. If there is any problem, it should be repaired in time. When using gas water heater to take a bath, you must pay attention to ventilation, and the bath time should not be too long.