In the modern sense, "health preservation" refers to taking care of material and spirit actively according to the law of human life process. In essence, health preservation is to maintain the five internal organs and prolong life. Health preservation is a multidisciplinary comprehensive science. Including tortoise rest of Chinese medicine, health preservation, nutrition and so on. The tortoise's lungs are under the carapace, so it can't breathe air directly. It must swallow air by rising and falling under the mouth, and then send it to the lungs. At the same time, it relies on the ups and downs of its limbs and abdomen to drive its lungs to breathe. This hesitant action of the turtle fully evolved the brain stem nerve in charge of turtle breathing and promoted turtle's longevity.
What we need to do is simple: don't breathe through the nose or mouth, inhale through the mouth, then close your lips, swallow the air inhaled into your stomach with saliva, and exhale through your nose. This is a breath. You can practice 1~3 times a day, with 36 breaths each time, which is beneficial to health and longevity. After getting up and washing every day, drink a cup of warm water on an empty stomach (about 100-200ml, 30-40 degrees). If possible, wash your face with warm water. Don't wipe it directly with a wrung towel. Spread your hands in a bowl and put them under the towel. Put water in it to wash your face for 2-3 times, and then wring it out, which is easy to scrub.
Refuse salty taste, balanced nutrition, refuse to drink all kinds of drinks and juices, and eat more fruits. Refuse to drink! Alcoholism seriously damages various organs of the body. Take a walk for half an hour after meals to promote digestion. Keep the habit of taking a rest at noon, sleep for 20-40 minutes, and don't sleep too much or get dizzy.