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Probably everyone has heard about experiments aimed at prolonging a person's life. But as it seems to me, people live for so long. If you look at the old men, then they look not very attractive, and the smell of the old man says that it's time. We learned how to prolong our life much further. People do not get younger, but they live longer and longer, and they look "wrinkled". It is difficult to imagine that in nature there were animals in such a state. Everyone dies, but animals do not reach such a state, when the body is already completely weary and is not able to fully perform its functions by requiring outside help. They just stop and fall asleep. You have noticed that in most cases, natural death occurs in a dream and somewhere in the morning.
What will happen if we can prolong life, let's admit twice. Up to 150 years. Who would not want to live, I want, and you? But I do not want to live like an old man. But I think it's impossible.
There is a theory that death is due to the fact that cells are programmed to multiply a limited number of times, it seems about 600. I do not remember who the author of this hypothesis seems to have been mentioned about her in the movie "Anaconda", in which part was looking for a flower of youth. But I want to turn to another figure, which is not a hypothesis, but a well-established fact. This is the number of eggs or, in other words, the number of gimmicks to make children. We know that the eggs are born even when the fetus is formed in the womb and during the lifetime they are not produced, but only consumed, unlike sperm. How many can they count any woman herself. But let's figure it out. The process of ovulation begins with 11-13 years in different peoples in different ways. And it happens every 28 days, but we rounded up to 1 month to make it easier to count. And it ends in 45 years. We consider 45-11 years to get 34 years. We multiply for 12 months of the year and receive 408 ovulations for a lifetime. The calculations are approximate, but we get just over 400 cells.

Now we will calculate how the population of our land will look if we can live up to 150 years.
Now the population of the land is about 7.6 billion people.
About 58 million people die every year.
We do not betray fertility, since the number of eggs does not change.
Fertility per year is 80 million people.
Life expectancy is now 75 years, but will be 150 years.
The composition of the population by age is children (0-14) 34%, adults (14-59) 58%, and elderly (from 60 ...) 8%.
We count. For 75 years (lifetime extension)
New people are born 6 billion.
The total population will be about 13.6 billion.
By composition:
The old men were 8% or 608 million. 7.6 billion will be added, the entire population will grow older and become older than 75 years. Someone will die, let's say 100 million people.
Total old men (from 75 ...) 6.9 billion.
Adults (14-59) 4.4 billion
Children (0-14) 2.6 billion
Only 13.9 billion
It is not difficult to notice that the elderly will be half the population. Every second
Imagine this picture.

*Las tres edades del hombre,h. 1500. GIORGIONE (Giorgio Barbarelli da Castelfranco) (1476/78-1510)