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What exactly are the five decays of heaven and man?

According to the existing classics in the academy, when a great cultivator reaches the end of his life, his body will become weak, his body will be filthy, and he will be tired and impatient. The sun and the moon shine together, mirages, green lotus descending into the world and other visions of heaven and earth.

After the final sitting, the aura is scattered between the heaven and the earth, which is also called Da Huan.

It stands to reason that the more advanced a practitioner's cultivation is, the stronger his control over the body will be. Martial arts masters can accurately perceive and control every muscle in the body, and spiritual masters can 'see' the operation of their body organs, Even I can use moss to adjust at the cellular level.

Practitioners in the Abyss Realm throughout the ages are already gods and Buddhas, and even they have no way to overcome the five declines of heaven and man.

The previous emperors of the Sui Dynasty had the resources of an entire empire, and with their enthusiasm for immortality, they would definitely make a secret move to seek help from alienated objects.

But they also cannot seek immortality.

Li Ang thought silently, The aging of organisms, especially mammals, has nine characteristics. They are genome instability, telomere loss, epigenetic changes, loss of protein homeostasis, nutrient sensing disorders, mitochondrial dysfunction, cell Aging, stem cell depletion, altered intercellular communication.

These nine are both the characteristics and causes of aging, like the chicken and the egg, the egg and the chicken.

They occur simultaneously and are interrelated, forming a delicate and tight network. Solving one or more of these items may be able to achieve the ultimate goal that emperors and alchemists have pursued for countless years-immortality.

Take epigenetics, for example, a subdiscipline of genetics that studies changes in gene expression levels based on changes in non-gene sequence.

Simply put, it is acquired environmental factors (diet, temperature, smoking, etc.) that change the gene expression of organisms. Silencing or waking up certain genes.

For example, in the larval stage, most female bees can only eat royal jelly for the first few days, and then change to ordinary honey, so their fertility is not fully developed and they can only become worker bees.

And if female bees can continue to eat royal jelly with specific active protein components, they can continue to develop and become queen bees with huge physiological differences from ordinary worker bees.

In other words, in theory, there may indeed be an elixir that changes the expression of genes after eating.

Similarly, for many organisms, including mammals, dieting and reducing calorie intake can also prolong lifespan-starvation can trigger and induce the expression of specific genes, activate them, promote the repair of damaged cells, and delay aging.

This rule is common from nematodes, to mice, to monkeys, to humans.

It coincides with the bigu longevity technique invented by some sects in the pre-Sui period.

Thousands of spells, infinite ways, just ask, can you live forever?

These words flashed in Li Ang's mind, he smiled slightly, listened to Chai Chai's cheerful humming, and looked at the bustling street scene receding outside the window, feeling peaceful.

The road to long life is too far and rough, and even figures like the Buddha and the Prophet Haotian cannot live for a hundred years. It is better to live every day and cherish the people in front of you.

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As the summer heat subsides and the autumn wind picks up, Li Ang's fourth year in the academy begins.

In the new semester, the courses have been adjusted a lot.

The military science course has become an elective course. Students who are not on the path of physical training do not need to take the physical science course anymore. The extra time is occupied by Yulu, national history, and a new heterogeneous course.

Anthropology is similar to Bethology, but has a larger scope than the latter.

In his textbooks, he recorded many heterogeneous materials that were forbidden to be consulted in the past, the process and experience of the predecessors who suppressed and sealed these heterogeneous materials,

Sometimes, veterans of the Zhenfu Division and seniors of the Supervisory Department are invited to give lectures to the students and tell about their legendary and bizarre experiences.

For example, there was a masked senior from the Supervisory Department. He once received a mission to chase and kill a demon cultivator with his companions.

His companion was injured and stayed where he was. He continued to chase and successfully beheaded Moxiu somewhere in Hexi Road, but he was also seriously injured and was washed away by a mountain torrent to an isolated and closed village.

All the villagers in this village believe in an evil mushroom god, and they will regularly bring business travelers, pedestrians, and beggars from the outside world as sacrifices to the mushroom god in order to obtain the bliss powder given by the god.

(In fact, it is a powerful hallucinogenic drug, soaked in water and taken, you can see strange and strange scenes, and experience physical happiness)

The spine of the senior from the supervisory department was damaged, his whole body was temporarily paralyzed, and his aura was restrained, so he couldn't use any spells.

Seeing that the day of sacrifice was approaching day by day, the other two people who were imprisoned with him in the room were all executed.

The senior lay in the corner, bewitched the villagers guarding him with words, and spread rumors in the village through the villagers, falsely claiming that the village chief's family planned to monopolize the gift of the Mushroom God,

Successfully instigated dissension, aroused conflicts among several families in the village, and fought to kill on the day of the sacrifice.

He also took advantage of the chaos and asked the villagers who guarded him to leave him away from the village. After he recovered from his injuries, he led people to exterminate the so-called Mushroom God. The villagers should be arrested and locked up.

There is also a senior from the Zhenfu Division. He and his companions accidentally broke into a circular building while arresting the murderer.

There are more than 30 residents in the building. They claim that the building has consciousness and will regularly drag selected people from the outside world.

There are ferocious and terrifying evil spirits wandering in the building, and each evil spirit has unique rules of action. Violation of the rules will lead to the massacre of the evil spirits.

(For example, if you see an evil spirit wearing red shoes, you must close your eyes. When you sleep at night, if you hear a dog barking outside your door, you must hide under the bed and fall asleep within a quarter of an hour.)

These rules violate each other, and some evil spirits will even disguise themselves as other evil spirits to trap and kill the residents in the building.

Residents who are killed will become new evil spirits. Further increase the difficulty of survival.

According to the previous notes left in the room, when the evil spirit kills all the residents, a new round of cycle will start.

The tricky building has existed for at least three or four hundred years, and it has absorbed many monks during this period, but none of them escaped and ascended to heaven, and even the news could not be passed on.

That senior's companion was just an ordinary yamen servant with no talent for cultivation,

After witnessing the residents being killed by evil spirits one by one, he knew that the cycle was about to restart, so he decided to fight back, by inducing the evil spirits to violate the rules, so that the evil spirits could kill the evil spirits, thereby delaying the cycle of the tricky building.

In the end, he committed suicide, voluntarily killed by the evil spirit, and became a new ghost. Using the ghost's ability, he sent the remaining residents out of the tricky building.

Afterwards, the Zhen Fusi and Xuegong jointly went to the local area to investigate, but they couldn't find any traces of the tricky building, so they had to erect a tombstone for the little yamen servant at the original address.