When you are full of vitality and healthy, your head is cold and your feet are hot; Whenever you are weak and sick, it is inevitable that your head is hot and your feet are cold. Fever in the head can cause what we often call "dizziness and brain swelling" and "top-heavy". Foolish and smelly chess is often the product of "a hot mind" The emphasis on "calmness" stems from this truth. After a long period of mental work, touching the top of your head will find it much hotter than usual;

It's like hands and feet will get hot after working for a long time, or the machine will get hot after operating for a long time. At this time, applying a cold towel to your head for a while will make you feel more awake, just because your head is cold. Keeping your head relatively cold is also good for improving sleep. The so-called "relax and dream of Duke Zhou every night". Everyone has this experience. When your feet are hot, you will feel Shu Tai all over.

Extended data

Herman Joerhaff, a famous Dutch physicist and chemist, left a sealed book when he died in 1723. The cover says "The only profound secret lies in medical skill". The book sold 20 thousand gold coins intact, and the buyer opened it with great interest and couldn't wait to turn it over. The result was disappointing.

It turns out that this * * * book has 100 pages, but 99 pages are all blank pages, leaving only the scientist's handwriting on the title page of the book: "Keep your head cold and your feet warm, so that the most famous doctor will become poor."

The scientist wrote this critical sentence with his life experience, pointing out that the secret of a long and healthy life is to "keep your head cold and your feet warm". Twenty thousand gold coins in twenty words, worthy of the name "a word is worth a thousand dollars".

Phoenix net-cold head and hot feet