Why is the average human life span should be only 38 years?
Source:assessment of the natural lifetime was carried out by DNA analysis
According to the latest news, voiced on Federal channels, the average life expectancy in the Russian Federation reached a historical peak in 2019 as he neared the figure is 73.6 years. Despite the record value for Russia, our country still significantly lags behind many countries such as USA, Germany and . However, according to some new research, “natural” lifespan for humans is much less important than the progress of humanity the average. In accordance with the new developed method, which allows to calculate life expectancy for different types by , a human life is equal to only 38 years.
How many years do people live?
During the whole period of its existence, people sought as much as possible to stay on the blue planet, one way or another leaving a trail of his life in the face of the descendants or any object of cultural heritage. However, according to the portal , during the genetic studies on species with a known life expectancy, the researchers found that the duration of existence of a living organism, including man, depends largely on the information captured nature in our DNA — a natural repository of data.
The Difficulty in studying and calculating the average duration of life in vertebrates is that in all species it varies greatly. So if the pygmy goby Eviota sigillata lives for just eight weeks, found that the Greenland shark Somniosus microcephalus was able to live over 400 years.
Despite the large number of biological research, the average life expectancy of most animals is still unknown. In order to obtain information about the duration of life of extinct animals, scientists have developed a special method to compute so-called , which provide the ability to determine the age of the animal. In the scientific world, this method received recognition as a method of methylation of deoxyribonucleic acid.
Methylation of DNA allows us to “incorporate” certain genes.
As is known, DNA methylation allows , without changing its primary sequence. But, despite the fact that the methylation of DNA, gives researchers a clue about the processes associated with aging, scientists still do not use it as the primary method for estimating the life expectancy of animals. However, to conduct the study, the researchers used 252 of the genome of several vertebrate species that were previously collected and placed in a common database. Due to the information received, scientists have discovered that the extinct giant tortoises from the island of Pinta, the life expectancy was 120 years, whereas the last specimen of this species named Lonesome George died in 2012 at the age of 112 years.
In the experiment, the scientists also found the average life expectancy of the Neanderthals and the denisovans, who, being in close contact with modern humans were able to survive only to 37.8 years. The data also show that the natural length of our lives is comparable to 38 years, however, almost in 2 times was able to raise the achievements of modern medicine.
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