Theories of aging

Found results: 157

Theories of aging

The concept of successful aging

Modern gerontologists refuse to consider old age as a time of extinction of bodily and mental functions, considering it as an important and productive period of life. The entire February issue of The Gerontologist magazine is devoted to works on this topic.

26.02.2015
Theories of aging

Life extension: Unanswered questions

Speaking about the possible consequences of discoveries in this area, analysts consider two possible scenarios – optimistic and pessimistic.

29.12.2014
Theories of aging

Alexey Moskalev – how to overcome aging

What should a person take from a naked digger to live 100 years, and what role genes play in longevity, says Alexey Moskalev, Doctor of Biological Sciences, head of the Department. Laboratory of Molecular Radiobiology and Gerontology of the Institute of Biology of Komi NC UrO RAS.

17.12.2014
Theories of aging

Another "closure" in gerontology

The statement of Chinese scientists has been refuted, according to which the main cause of cell aging is the release of free radicals inside the mitochondria.

24.10.2014
Theories of aging

Evolution of sexual dimorphism in human lifespan (literature)

Why do humans live longer than other higher primates? Why do women live longer than men? What is the significance of menopause? The answers to these questions could explain the mechanisms underlying the evolution of human aging.

10.10.2014
Theories of aging

Evolution of sexual dimorphism in human lifespan (4)

Understanding the biological basis of sex differences in life expectancy will help in the development of interventions that can extend the period of healthy life of men for several years.

10.10.2014
Theories of aging

Evolution of sexual dimorphism in human lifespan (3)

If longevity is the result of the evolution of men, why do women live longer? In this case, the pronounced sexual difference in human reproductive models provides a plausible explanation: a large variability in the number of offspring in men.

09.10.2014
Theories of aging

Evolution of sexual dimorphism in human lifespan (2)

According to the patriarchal hypothesis, the longevity of women is the result of inheritance of autosomal (non-sexual) genetic determinants of longevity, the selection of which occurs in the chromosomes of men.

08.10.2014
Theories of aging

Evolution of sexual dimorphism in human lifespan (1)

Why do humans live longer than other higher primates? Why do women live longer than men? What is the significance of menopause? The answers to these questions could explain the mechanisms underlying the evolution of human aging.

07.10.2014
Theories of aging

A reasonable man liberated

Vladimir Skulachev is a scientist the whole world knows. And at the same time, he is a dissident in science, who decided to challenge not only colleagues, but also the fundamental limitations of human nature – aging and death.

02.10.2014
Theories of aging

Adapt or die

On the one hand, there is a lot of evidence in favor of the fact that aging is the result of evolution, which appeared under the pressure of natural selection. On the other hand, there is a theoretical argument that raises doubts about the reality of this scenario.

11.09.2014
Theories of aging

What scientists are doing to prolong our life and youth

The conference "Genetics of Aging and Longevity" ended in April, and reports on the issues discussed at it about the study of the causes of aging, attempts to slow it down, and if possible, stop it and even reverse it, continue.

02.07.2014
Theories of aging

The Hunger Games

Already now we are faced with a choice: to take drugs that supposedly increase life expectancy, or not.

20.05.2014
Theories of aging

The free radical debate continues

According to new data, free radicals not only do not accelerate the aging process, but also increase life expectancy.

12.05.2014
Theories of aging

What is aging and how to deal with it

There are many theories of aging, and all specialists dealing with this problem feel the need for an integral approach, the need for a common concept that would unite different theories.

28.04.2014
Theories of aging

Record increase in life expectancy

The combination of mutations affecting two signaling mechanisms that ensure longevity increases the life expectancy of nematodes by 5 times, which in terms of human age corresponds to about 400-500 years.

17.12.2013
Theories of aging

Aging and epigenetics: new data

An important role in the physiological aging of the cell belongs to epigenetic factors affecting chromatin – the structure that ensures the ordering of genetic material in the nucleus.

03.09.2013
Theories of aging

Alzheimer's disease: a paradigm shift?

Researchers from the Stanford University School of Medicine have proposed a fundamentally new hypothesis of the causes of Alzheimer's disease.

16.08.2013