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Hormones play a key role in aging. However, hormone production begins to decline with age, leading older people to begin to feel and look ‘older’....

Scientists have long been studying how diet and meal frequency affect the aging process. They have observed that when an animal consumes fewer calories, it lives longer. Researchers have tested the relationship between aging and caloric restriction on a variety of animals, even humans...

You may have heard or read that age is just a number. Well, this is not exactly true on a biological level...

There are several other theories and schools of thought regarding aging. Some of these are discussed below...

Human beings (and other living things) are a complex arrangement of cells. Cells reproduce through division. However, cells cannot go on reproducing forever. The capacity of a cell to undergo division is known as its Hayflick limit. Human cells can divide only about 50 to 60 times. After that, the cell goes into senescence: it becomes weak and dies...

Nothing in this universe is as precious as life! All living beings are extremely keen on living as long as possible. Longevity and immortality have a special place in human culture. When elders bless young people, they often say “May you live long!”...