These days, people are by and large living longer. Besides, their life expectancy is increasing in order to some several factors of these phenomenons. As far as I am concerned, these factors are invention of antibiotic injection, abundant nutrient foods, and health care insurance.
The possibility of medical improvement has been affected by invention of antibiotic injection so far. In the past, most people were exposed to danger of epidemic diseases due to lack of sanitation. In addition, few kinds of medicine made people get these diseases more easily. On the other hand, invention of antibiotic injection such as peniciline has saved people from epidemic diseases, and dedication of antibiotic study has made more type of medicine. Therefore, this invention has lead people to live longer as it prevents people death from these plagues.
Moreover, people can live longer because of nutrient food and abundance of this. Most technology in agriculture has been developed so it consequently causes increase in production of food. Thus, less people have been saved from starving and death since the major death of the people in the past was famine. It also deters people getting old easily now by providing nutrient foods to them.
Another reason why people are living longer is health care insurance. Before this insurance system appeared, many people could not afford to pay for their medical service bill like medication or surgery because this was too expensive for individual to pay for it. However, many people have signed up insurance. Therefore, most people in the world do not need to worry about the medical service bill at all now.
By invention of antibiotic injection, increase of food production, nutrient food, people get much long life in compared to the past. These are still the major causes of living longer but the distribution of these assets is still not fair enough. Therefore, equal distribution of them need to be executed now. |