Winter health care science

■ Edit words

Now is the coldest season, fitness family are still risking cold adhering to exercise.

Since entering the winter, the city has occurred several early exercise of sudden event. Adhere to exercise is a good thing, but don't forget, winter sports, but also about science.

■ Morning is not the best time

Morning air stasis, air nitrogen dioxide, sulfur dioxide, carbon dioxide emitting large amounts of vegetation, lead, arsenic and other heavy ion has not spread, the fresh air.

The morning is not the best time for physical activity. In addition, the morning's blood glucose is low; as a result of neural conversion and other reasons, it is a day in the most high blood pressure. Angina, stroke and other vascular diseases, more than in the morning. According to the United States a 5000 people, cerebrovascular cases death investigation shows that 2/3 of people died in the morning.

Huangdi had said: "the winter in March had lying up late, will be the winter sunlight, this should be of qi is also raising raised road.

" Our ancestors knew the winter survival of pending sunlight.

■ Do not rivalry and strong winds

The winter cold and windy.

Wind cooling, mainly because of the accelerating skin convection cooling. Phenology have pointed out, the wind blows skin equivalent to the ambient temperature is 8 ° c. Air drying, the moisture content does not and summer 1/10. Skin chapped, lipid layer transformation, knee pain, cold stiff zhizhi. Phenology audiologists also tells us that the decline of the knee skin temperature is about 20 times in the chest. In this exercise, the approximate self-flagellation, contrary to the principles of fitness, and entertainment. In cold weather cooler, basal metabolic rate may be increased by 10% to 20%. Increase the amount of exercise, it is mainly used for production of hot-cold, hard to achieve the effect. Even "fun with days of struggle," the winter it is best not to and strong winds.

■ Do not and the fog, haze standoff

Winter closed reservoir of Yang, morning fog.

Modern civilization produce air pollution fog has not only water vapor. Air suspension of smoke, dust and other particles often intermixed in the meantime, become a coagulation nuclear, commonly known as haze. On the respiratory tract mucous membrane of the stimulatory effect, be induced rhinitis, bronchitis, asthma, etc. Mist, haze, the respiratory tract mucous can produce damage, reducing barriers and defence role. Some bacteria, viruses and other pathogenic micro-organisms will produce pulmonary disease incursions,. Foggy haze heavy weather, or cat at home, or make some indoor sports, you can, there's no need.

■ Do not and cold standoff

Winter weather is changeable, a lot of fat.

People suffering from a cold, fatigue, such as fever, exacerbate physical wear and tear. Physical exercise metabolism enhancement, oxygen and nutrients consumption, do not contribute to the common cold cured, but can be increased and extended cold symptoms.

(Practice editing: Tran Hung Wong)