This year, in early spring, the cold air activities are frequent, and the weather is unpredictable. The weather can change drastically within a day: sometimes it's chilly in the morning with biting cold air, then by noon the sun shines and warm spring breeze blows, but at night a sudden cold wave may come, causing a sharp drop in temperature. Therefore, we should still follow the principle of "spring warming and autumn cooling."
Early spring should avoid thinness, transparency, and exposure.
At the beginning of each spring, the number of rheumatism patients significantly increases, with dampness and wind-cold being the main causes of their illnesses. As the saying goes, "Spring warming and autumn cooling." In such weather transitioning from cold to warm, we should pay special attention to keeping warm and preventing dampness, especially wearing warmer clothes on our feet and legs.
Clothing Reduction Principle: Grasp 4 "Spring Warming" Indices
With the rise of medical meteorology, scientists have conducted many more scientific and specific studies on "spring warming," proposing some data that people can use as guidelines in practice, which we might call the "spring warming index."
1. Timing for Warming
1-2 days before the cold air arrives. Medical meteorologists have found that the peak incidence of many diseases is closely related to the arrival of cold air and the duration of the cooling. For example, colds and indigestion often occur even before the cold air arrives. While glaucoma, heart attacks, and strokes increase dramatically when the cold air passes through. Therefore, the best time to start warming up should be 24-48 hours before the forecasted cold air arrives; otherwise, it would be like sending an umbrella after the rain has stopped.
2. Temperature for Warming
15°C is the critical temperature. Studies have shown that for most elderly people or those who are weak and need to follow the "spring warming" principle, 15°C can be considered the critical temperature for deciding whether to wear more or not. In other words, when the temperature remains consistently above 15°C and is relatively stable, you can stop wearing extra layers.
3. Signal for Warming
Day-night temperature difference greater than 8°C. Spring weather can be very changeable; one day it’s warm and pleasant, the next day a cold wave might suddenly hit, making you feel like winter hasn't fully passed yet. Facing this unpredictable spring weather, you need to adjust your clothing according to the changes. When should you add clothes? It is now believed that a day-night temperature difference greater than 8°C is a signal to start wearing more layers.
4. Duration for Warming
7-14 days is just right. As the upper body clothing is gradually reduced with the rising temperatures, reducing them too quickly may result in "being able to withstand the cold in a single layer all along, but suddenly getting sick after taking off the cotton coat." Medical experts have found that when the temperature drops again, you need to add clothes to keep warm. Even if the temperature rises afterward, you should continue to wear the extra layers for about 7 days; frail individuals or elderly people should continue for more than 14 days to adapt. Reducing clothing too quickly may lead to illness.
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