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Showing posts with the label why we are getting old

Human ageing

Programmed Theory of Aging

Aging      Image credit pixabay. Com Understanding the Programmed Theory of Aging:A Comprehensive Guide The mystery of Aging has puzzled humans for centuries. While we can't stop time, scientists have explored the theories that explain why we are growing older. One of the prominent idea is The programmed theory of aging, this theory suggest that aging is n't random, instead a process controlled by our gene.  The Enigma of Aging:A Biological puzzle Aging is a complex puzzle made up of many pieces. Each piece represent biological changes,environmental factors and life choices.  As we try to fit together, we realize that aging involve both our genetics and experiences Programmed Aging:A central Theory in Gerontology Programmed aging proposes that we have a biological clock ticking down through the life. This concept grounded in genetics, implying that our cells are pre-programmed to age and die. This theory stands in contrast to wear and tear theory. Which emphasiz...

Why we are getting old?

  Why we are getting old? The answer is simple,the 'errors'.The errors that happening during cell multiplication and by the influences of external factors. So many  changes happens in DNA every year,most important one is the shortening of telomeres. A telomere is the tail end of chromosomes.  The free radical theory of -ageing,  which devolved in1950 says that  the reactive oxygen  species(ROS)   produced during mitochondrial functions react with their DNA (mtDNA)  and other cell organelles, makes sever damage and declined mitochondrial functions that leads us to aging. ROS is produced when mitochondria make energy from food particles,when we eat more the mitochondria produce more energy and more ROS also evolved as by product. So having a comparatively limited amount of diet and  anti oxidant rich food,such as green vegetables fruits etc can increase life span.  Old age In the year 1961 an American scientist  L.Hayflick  disco...