1. There is no scientific basis. This information is beneficial to health, especially for people who have already done dog days moxibustion and some elderly children with deficiency of both qi and blood. But health care pays more attention to long-term habituation, which can release the hopeless chill of the body for many years in ten days or a month, which is a bit exaggerated.

2. From the perspective of health and wellness, it is recommended that you eat ingredients close to body temperature. Even in hot summer, there is no need to eat too cold ingredients. Healthy normal people should eat less raw and cold food to relieve summer heat. For sub-healthy people and elderly children with deficiency of both qi and blood, it is best not to eat cold food and refuse all iced healthy drinks.