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Of all the spectacular advances in medicine, science, and technology that have occurred during the knightly blow, the ones that have had the most profound impact on our lives be those that have increased human sprightliness span. In 1900, the just life expectancy for an American citizen was 47 years of age. Today, as we approach the dawn of a new century, the average life span has increased by more than 50% to 76 years. The fastest growing segment of the U.S. population consists of men and women gray 65 and obsoleteer, a group referred to by gerontologists as the old old. The number of octogenarians among us continues to grow, and some scientists say that humans whitethorn routinely achieve a life span of some 115 years; still others contend that biological engineering will extend our life span to 150 years. A few scientists insist that humans could live to be as old as 400 years!

The increase in life span that we have experienced during this century is in the first place due to improved sanitation, the elimination of many a(prenominal) lethal childhood diseases through vaccinations, and other medical advances such as the information of antibiotics. R be today, death from infection during childbirth was a principal cause of mortality among women at the turn of the century.



Thanks to penicillin and its oddity drug offspring, bacterial infections such as pneumonia and strep are no longer life threatening.

Members of the medical establishment promptly acknowledge that although we have managed to extend the length of life, in many cases we have done little to improve the quality of life. A recent editorial in a medical magazine publisher lamented the fact that the ratio of active life to disabled or functionally compromised life has not increased and may really have diminished during the last quarter of a century (Patient Care, February, 1994). In other words, people may be musical accompaniment longer, but theyre not living better.

Despite the increase in life span, the perception of aging as a dismay downward...If you want to get a full essay, order it on our website: Orderessay



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