Laughing Enhances Immunity
Laughing is said to activate the natural killer (NK) cells and thus enhance immunity.
Natural killer (NK) cells recognize ligands such as viral proteins on the surface of infected cells and mount an immune response to remove them from circulation. [toonishwarhead/Getty Images]
https://www.genengnews.com/insights/natural-killer-cells-emerge-as-an-anticancer-alternative-to-t-cells/
The underlying mechanism is that when we laugh, neural excitation reaches the interbrain that controls immunity, so that good peptides having an informative function are oozed out in a large quantity. These good peptides are carried out by blood and lymph fluid through the whole body to attach to the surfaces of the NK cells and activate them. (Peptides are short chains of between two and fifty amino acids, linked by peptide bonds.)
It is said that there are 5 billion NK cells in the human body, while 3000 to 5000 cancer cells are generated per day in the human body. These cancer cells, viruses, etc. are suppressed and cleaned up by the NK cells.
However, when we feel sad, get depressed or are put under stress, activities of the NK cells get low and thus our immunity goes down.
Strength of our immunity is reduced as we get older. If the level of immunity at the age of 20 is 100, it goes down to 50 at 40 years old and 25 at 60. So, it is natural that young people do not easily develop a diseases if infected by viruses.
So, the old men had better laugh as much as possible to enhance their immunity against corona-viruses. But there are other ways to activate the NK cells and thus enhance immunity, since when parasympathetic nerves are dominant, the number of lymphocyte cells, including the NK cells, increase.
Therefore, it is recommended to sleep for 7 to 8 hours every night, avoid stress on the mind and the body, handle one's grief, worries, sadness, anger, etc. to conquer them in a short time, do appropriate exercise every day, get absorbed in doing a favorite thing, take things easy and think positively, etc.
However, the best way is to read the Bible. There are examples described in the holy book that Christ Jesus healed the sick by activating and balancing between their sympathetic nerves and parasympathetic nerves through His love that can be transmitted over the space to their nerve systems.
Indeed, if every medical doctor masters the skill to transmit his or her love to the nerve systems or sensory nerves of a sick person, the doctor should heal more persons infected by corona-viruses.
In this context, a hospital without a true priest working together with a medical doctor is not a good hospital.
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Luke 8 King James Version11 Now the parable is this: The seed is the word of God.
12 Those by the way side are they that hear; then cometh the devil, and taketh away the word out of their hearts, lest they should believe and be saved.
13 They on the rock are they, which, when they hear, receive the word with joy; and these have no root, which for a while believe, and in time of temptation fall away.
14 And that which fell among thorns are they, which, when they have heard, go forth, and are choked with cares and riches and pleasures of this life, and bring no fruit to perfection.
15 But that on the good ground are they, which in an honest and good heart, having heard the word, keep it, and bring forth fruit with patience.