Essay on Causes and Effects of Increased Life Span

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Do you ever wanted to know how long will you live? There are so much wonderful things in this world for us to enjoy. Nearly everyone wants to live longer, if they were to choose. Looking back to the past, our ancestors lived relatively shorter lives -- with only a few people living beyond the age of 40. However, since a century ago, human’s life span has increased greatly. The mortality rates among those over 80 years have decreased by about 1.5% per year since 1960s (Vaupel, 2010). At the same time, the maximum life span, the largest number of years a mankind has lived, is expected to be increased over years. The truth is, living longer is not a pipe dream anymore. Nevertheless, a long healthy life is not a coincidence. The …show more content…
B-complex Vitamins, antioxidants, co-enzyme Q10, etc. Citing resveratrol which is one kind of antioxidants as an example, research has shown that it could increase human life expectancy by 11 years if it is taken in long term (Challem, 2009). In the field of medicine, scientific research and modern technology have granted mankind a much longer life. Undoubtedly, medical advancement plays a crucial role in adding more healthy years to our lives. Scientific methods are being employed to develop various kinds of vaccines to save mankind from the harmful effects of various deadly diseases. For instance, in the fifties, Jonah Salk discovered a vaccine for curing polio – a dreadful public health threat which in the past caused paralysis and even death in children (Massachusetts Institute of Technology, 2011). Thanks to the work of Dr. Jonah Salk, today, polio is very rare and it’s virtually non-existent among infants. One undeniable truth is, polio vaccines do save millions of lives every year (Global Health Council and Research!America, 2011). Moreover, developments in atomic research and computer technology have given doctors the X-ray and the CAT scanning machine and the use of laser to pin-point, diagnose and operate on various diseases. Surgeons nowadays can repair damaged hearts, remove diseased body tissues, rejoin severed fingers or limbs and even perform organ transplants. Improved public health services have wiped away

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