Before going further you must understand the difference between age and aging. Age is the number of years you have lived while aging is a process where the health function slowly goes to decline. And over time the body becomes more and more susceptible to chronic diseases. Most people see aging and dying as a related outcome. But in reality, everyone dies of two possible causes, they either die of accidental trauma or they get sick and succumb to some form of chronic disease.
The medical health care facilities in the developed and underdeveloped countries are more focused on increasing the life expectancy of a person but the age in life expectancy is not the same as programmed in our DNA. That programmed age is called the “maximum lifespan”, that age is the maximum age that humans are expected to live if nothing goes wrong in the first place. By now, you might have realized that life expectancy and maximum lifespan are two different things.
Scientists are more focused on increasing the maximum lifespan and try to turn back the clock on aging by inventing therapies that will extend the amount of time by keeping you less vulnerable to chronic disease and also improve your health by keeping you fit and mobile for that extended period. Our maximum age is not a number but a programmed process in our DNA where we become more vulnerable to chronic diseases as we accumulate lifetime effects of diseases. And if you can clear out those effects you can extend your maximum age. The Study of the Human genome has led to several discoveries, new treatments, and new therapies in the last couple of decades to fight against aging and detect processes leading to it. Also, we are now beginning to understand how to fight those processes and slow down aging.
Now let’s look at some aspects that cause us to age at a cellular level.
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