Chapter 121

There are many factors contributing to the population growth rate. The first reason is the growth of life expectancy.

In areas with better medical environment, the average life expectancy has reached 160 years. Note that the average life expectancy, individual maintenance is particularly good, and even live to 238 years old!

In such a long life, who is willing to stay with a partner for a lifetime?

The cultural environment of the whole civilization is slowly changing because of the growth of life span.

After all, human beings are creatures who like the new and hate the old. The previous "companion life" was 50 or 60 years, and now the companion life is 150 or 60 years!

Human beings will remain young and middle-aged for a long time. Most people would rather have enough fun first than set up a family and have children safely

As a result, the marriage rate is low and the birth rate naturally decreases.

The second is the cost of training talents. The cutting-edge space industry has higher and higher requirements for the quality of the population. But in just a few hundred years, human intelligence will not advance by leaps and bounds.

Cultivating a high-quality talent may consume the vast majority of a family's savings.

Therefore, in most families, having one is enough.

"Many young people don't like marriage, let alone childbirth. Keeping DINK can greatly improve the quality of life. It is difficult enough for these young people to support themselves. Where can we consider the whole national security? "

"On the contrary, the birth rate in some poor countries is high... Even if distance online education is popularized, the probability of high-quality talents under the influence of a specific environment is still small."

Looking at this report, Zhang Yuan was a little worried.

Aging trap, an extremely terrible crisis.

The more old people there are, the heavier the social burden on young people will be.

The heavier the burden on young people and the worse their economic conditions, the more reluctant they are to have children.

It's a vicious circle, and it's very difficult to jump out of it. Even if the government introduces various policies to encourage fertility, it often doesn't have a good effect

History has proved that the best way to cure aging is war!

Yes, the reshuffle brought by war can bring the peak of fertility, which has been proved many times by history.

But at present, the trend of the whole world is peaceful development, and it is impossible to have a war.

Moreover, as a normal person, Zhang Yuan does not want to use the world war to solve the problem of aging. It is putting the cart before the horse.

He shook his head, put these thoughts behind him and continued to analyze the data.

Under the influence of this trend of thought, the population of the United States has been reduced from 51 million to 15 million. It is the first country that will perish itself due to aging

"Alas, human, pill!" Sentimental John looked on and began to sigh again.

"The growth of life expectancy has become the best contraceptive. There are more and more garbage people in poor countries. They generally rely on the relief of rich countries. I really don't know what use it is to ask these people. "

Zhang Yuan was not very good at discussing the dispute. He stubbornly retorted: "at least poor countries are also raw material producers. They still play a role. Without poverty, where can wealth come from? As long as the productivity is lower, how can it be useless! "

"In your eyes, everything is a pill anyway."

John was stunned: "indeed, the development of earth civilization needs low-end population... It can't be all high-quality population. The distribution of population, no matter which era, must be pyramidal. "

Zhang Yuan shook his head: "in fact, on the whole, the earth civilization is still moving forward, isn't it? As for the population problem, I believe it can still be solved. Every era has its own problems. It can't be plain sailing. "

"I don't believe that human beings will really die because of aging."

John replied, "Zhang Yuan, you are too optimistic. So far, mankind has used greedy strategies. Only when there is a problem can we find a way to solve it, rather than prevent it from happening. "

"This decision-making system itself is unscientific, and it is likely to fall into the trap of mediocrity. Aging is already a big problem. "

Zhang Yuan actually knows this, but he still holds a natural sense of expectation towards his mother civilization.

In this case, he didn't want to argue too much with John, but just continued to read the following report.

In order to deal with a series of problems caused by the cessation of population growth, government departments are constantly encouraging fertility and issuing relevant policies.

This kind of population policy does not have decades of effort and basically will not have much effect, so he directly skipped the development of the middle three decades and turned to the latest report.

He was shocked when he saw the first few lines.

"Hello, colleagues of the earth times! I am yuan Yuchan, the new president of the deep space foundation. I will bring you the latest information of earth civilization. "

The new president of the foundation has become a middle-aged woman, but it doesn't matter.

"In recent years, the best scientific and technological achievements have appeared in biology, mainly the decoding of protein language and the emergence of artificial uterus technology!"

"... the decipherment of protein language has brought qualitative changes to life science!"

"We have conquered a lot of diseases, including" cancer of the pancreas ", pancreatic cancer and all kinds of malignant diseases.

"Overcoming the drug resistance of superbacteria is no longer an extravagant hope!"

Great news!

Seeing this, Zhang Yuan couldn't help sitting in his seat and smiling.

Below are a lot of papers on protein language, involving all aspects of biology.

However, Zhang Yuan didn't know much about biology, so he couldn't comment.

He only knows that the deciphering of protein language must be extremely important. Human beings can deeply understand the essence of life from the most micro level.

For example, in the aspect of immune system, HIV has been abandoned, and it can help treat immunodeficiency. Some people with congenital immune deficiency can now be cured. This medical means can only be said to be arabian nights before!

"Life expectancy will increase again. I don't know if it will affect the marriage rate." Zhang Yuan asked with great interest, "have our biologists studied these new drugs?"

"It's under study." John turned his head and said, "our current equipment is too poor to make such drugs that can improve life span... Next year, there will be a conference on life science, but it won't be for us to attend. We're not biologists. "

"All right." Zhang Yuan shook his head. Anyway, he is still young and doesn't have to think about life and so on.

The problem of life and death, think too much, just worry out of thin air.