Sunbathing 16 ~ 17 is the best time for human body to store vitamin D. This time period is in the afternoon, when the sun is setting and the temperature is warmer, but the alpha beam of solar ultraviolet rays is stronger, which is the best time to store vitamin D. More sun exposure is helpful for intestinal absorption of calcium and phosphorus. The back of the human body is yang, and many meridians and acupoints are on the back. Sunbathing the back at night is helpful to regulate the qi and blood of zang-fu organs and warm meridians.
But when drying, you should pay attention to let the sun shine directly on your back, that is, turn your back on the sun. You can rub your hands on the acupoints of the kidney meridian on your back (the position is flat with the navel, and the spine 1.5 inch), which has the effect of warming kidney and strengthening yang. If it is convenient, lift your clothes and let the sun shine on these two acupoints, which can replenish kidney qi. Or rub the parts with your hands when you are in the sun.
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Sunbathing should also have principles. When you go outdoors to bask in the sun, you should choose a time when the light is not too strong, especially in summer, and you must avoid the hot afternoon sun. It's better to be around 10 in the morning or 1 1 point, when the sunshine is mild. Don't go out in the sun on windy days to avoid catching cold. If you are at home, you can sit with your back to the sun for a while when the sun shines on the balcony.
Old people have a long life in the sun on their backs, but they should be careful not to bask in the sun through the glass, which hardly plays any role. Sunbathing time should not be too long, 20-30 minutes at a time is appropriate.
People's Network-Sunshine is a treasure, and basking in the sun is good for your health.