Question: The average human lifespan has greatly increased in the past century.
Discuss the causes of this phenomenon. Use specific reasons and details to develop your essay. |
Even though the environment and nature is more polluted and harmful to health than before, human lifespan has dramatically increased in the past century. How has human lifespan increased with bad environment? The answer would be improved many kind of technologies included medicine and better nutrition. Firstly, many diseases, bacteria and viruses have discovered and they are discovering till now. Without only some of diseases include bacteria and viruses, most of them which cause illness are easily able to treat. Some illnesses which were deadly to human life in the past century can treat only a one tablet now. In addition, mechanic technology and biomedical technology improved medical technology. Only basic surgeries were able to operate in the past century but now, doctors can operate very difficult surgery such as cancer, brain, heart. If there was no medical machine which concentrated all technology of biomedical and mechanic, it would be not able to operate those surgeries. Secondly, nutrition, exactly our meal is better than before. Human have to eat to continue their life. However, human eat no more to live. They eat for their health and enjoyment in the 21st century. In the past century, food was not enough to eat, so without only some of powerful people, most people could not eat enough food. However, food is not problem in the 21st century. Harmful food may be the problem in the 21st century. Most people avoid harmful food and changing their menu for health. Also, they nutritionally balanced their menu. Many nutritionists proved that balanced nutrition is very important to grow up body and immunity. Medical technology and nutrition are the basic causes to live longer.
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