Unit 5.3
Task 1
The germ theory of disease is the theory that microscopic organisms such as bacteria and viruses can cause infectious diseases. The theory was confirmed by Louis Pasteur in the 1800’s.
Once germ theory was discovered it started the development of sanitation and aseptic techniques. Also due to Louis Pasteur’s work with fermentation and broths he developed pasteurization for beverages such as milk and wine.
Before the germ cell theory was proposed in any form people believed in a different theory the Miasma theory. This was a theory that disease was acquired from a form of “bad air” given off from decomposing matter. Another theory that was popular was that there was four substances in the body and any imbalance between them would cause disease.
In the 19th century several scientists made observations leading to the development of the theory. Ignaz Semmelweis was a Hungarian obstetrician working in Vienna who observed that women were more likely to die in childbirth from puerperal fever when examined by a doctor compared to those who were examined by a midwife. This was because the doctors had usually come straight from an autopsy. He established that puerperal fever was a contagious disease and matter from the autopsies was a likely cause. Semmelweis then got the doctors to wash their hands with chlorinated lime water before examining pregnant women. This then reduced the amount of women dying in childbirth from 18% to 2.2% at his hospital. However his theories were initially rejected.
In 1854 John Snow performed an investigation into a cholera outbreak in Soho, London. He talked to local residents and used a map to plot the outbreaks of cholera in the area. This led him to come to the conclusion that a publ...
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...t be able to answer. Some are due to the fact it is impossible to prove using science. Some are more opinion based questions which science cannot prove one way or another. Examples of these questions are: Does god exist? Should we clone humans?
Task 3
Scientists need to have their theories critically analyzed by other scientists to check for a number of things: some of these are bias, mistakes, incorrect information and falsified results.
There is a lot of resistance to scientific theories because they don’t conform with peoples beliefs and religion. For example; a lot of people don’t agree with the big bang theory because it goes against the belief that god created everything.
The resistance to scientific theories creates more debate about whether the theories are valid. It also prompts more research into what other people believe the theories should involve.
The book, The Ghost Map, tells the story of the cholera outbreak that took place in England during the medieval era. During this time, London became popular, causing it to become one of the most populous urban cities in England. However, it suffered from overcrowding, a large lower class, and little health regulations. As a result, living conditions and water supply were not the cleanest, and many died from the disease cholera. Though this epidemic led to many deaths/illnesses during it’s time, it has proven to be helpful and important to public health today. Some public health advancements that have occurred as a result include healthier, cleaner, and longer lives lived.
Did you know there was a time where infectious diseases like the common cold could kill you and your family? This was the elizabethan era probably the last time where sickness became the “grimm reaper” before modern medical advancements. With infectious diseases spreading and killing so many people doctors became desperate. Because these doctors knew very little about medicine, they were completely willing to try experimental treatments on their patients (Alchin). Sadly just about anybody with an infectious disease died. All the knowledge these doctors knew were based on: Humours, what brain function each internal organ controls, and how to protect themselves from it.
This perception results from a combination of personal experience and social integration. Kurtz argues that there are “two kinds of values within human experience [...] values rooted in unexamined feelings, faith, custom, or authority [...] and values that are influenced by cognition and informed by rational inquiry” (73). He reveals that one can base his values on either intangible beliefs, or on logical exploration, and suggests that the latter one is more correct. However, what is right or wrong is a matter of cultural interpretation, and what is wise today may not be wise tomorrow. Subsequently, it is the way we use scientific findings that matters more than what those findings actually are. In the cloning example, the only reason safety was considered an issue is because of the belief that we should not harm a human, given that we perceive our lives to be special. Even so, Galileo was persecuted and Giordano Bruno was burnt at the stake for suggesting that the earth goes round the sun and not vice versa. This is common knowledge now, having had our notions evolve with science, but it does not change the way the two of them, along with many others, were treated for going against the doctrine of their time. This proves that science does influence the way we factually look at things (eventually) but that we still use it according to our deeply rooted beliefs, creating divisions and tensions amongst our own
... effect all humanity, and therefore, need to not think on an individual level. J. Michael Bishop states that "The price of science seems large but to reject science is to deny future."(261).
The rail market continued to grow and by the 1860’s all major cities within the United States were connected by rail. The main diseases that showed the most virulence during the time were cholera, yellow fever and consumption, now known as tuberculosis. The 9th census mortality data showed that 1 out 7 deaths from disease were caused by tuberculosis and 1 out of 24 disease deaths were resulting from cholera. . Until the 1870s the general consensus of the spread of disease through population was still the primitive idea that it came from the individual and not specifically the pathogen.... ... middle of paper ... ...
There are some theories that science cannot prove. Science explains all of the logical and natural things in life through observation and experimentation. Religion explains all of the spiritual and mystical things in life. Religion is the belief and worshipping of a supernatural force like God. Jane Goodall is an outlier in the science industry. She believes in God and is also a scientist. Most scientists are only agnostic or atheists. Scientists only have one viewpoint. They only think logically and try to prove the existence of things. Religious people believe in a higher power that created everything and control everything. Jane Goodall has the perfect philosophy. When science is the only “window” someone bases their life on, there are drawbacks because there are a lot of things science cannot explain, logically. When religion is the only “window” someone bases their life on, there are drawbacks because there are a lot of things religion cannot explain, spiritually. When a person bases their life on both science and religion, more mysteries are answered. When both science and religion is part of a person’s philosophy, there are no drawbacks because they either support each other’s claims, do not explain each other, or supports one but not the
Hypothesis about cause and spread: According to Snow, the cause of the disease was due to some sort of contact between the healthy and sick. “It is quite impossible that even a tenth part of these cases of consecutive illness could have followed each other by coincidence without being connected as caused and effect” (PG .244) Snow believed that once cholera was passed to the healthy, the disease would multiply and cause them in fall ill. The disease was found to be spread through unsafe water and unwashed clothing/bedding from the infected.
The reason Semmelweis is the unknown founder of the cure for childbed fever is because he never concretely published or shared his findings. Thankfully, Nuland has taken the time to compile all of this information to share Semmelweis’ story.
With Darwin's idea of evolution came the greatest controversy between science and religion. Darwin denied the creationist ideas of Christians and caused, an uproar in the Christian community. Some drastically decided to deny all science. To deny science, however, would be to deny the natural world. Others searched for ways to confirm and hold on to their faith.
...mptoms and known pattern of disease. Experiments by scientists, Nicolle and Le Bailly in Paris, were the earliest explanations that influenza was caused by a filter-passing virus. They proved that influenza was due to a submicroscopic infectious agent and not a bacteria. Scientific experiments, such as these, had immediate preventative applications. They were part of an effort to create a vaccine that would prevent the influenza. Vaccines were considered the best preventative treatment at the time. Several scientists tried to create effective vaccines, each with a different understanding of the virus. Dr. Rosenow invented a vaccine to target the multiple bacterial agents involved from the serum of patients. He aimed to raise the immunity against the bacteria, and not the cause of the initial symptoms (Virginia).
As the days went by and the number of deaths began to increase, the Board of Health in London began to improve people’s living conditions by creating the indoor restroom, This, however, caused more problems for the people of London, due to the lack of a proper sewage system, “London needed a citywide sewage system that could remove waste products from houses in a reliable and sanitary fashion,...,The problem was one of jurisdiction, not execution,”(Page 117). London didn’t have a place where the sewers could lead off to which keep the disease spreading when people used the restroom. After months of battling the type of disease London was faced with, Mr. Snow convinced the Board of Health to remove the water pump that was on Board Street. By getting rid of this pump, Mr. Snow helped stop major outbreaks from recurring, “The removal of the pump handle was a historical turning point, and not because it marked the end of London’s most explosive epidemic,..., It marks a turning point in the battle between urban man and Vibrio cholera, because for the first time a public institution had made an informed intervention into a cholera outbreak based on a scientifically sound theory of the disease.”(Page 162- 163). This marked the end of the London epidemic and how the world of science
This book follows an esteemed doctor and a local clergyman who, together, are the heart of an investigation to solve the mystery of the cholera epidemic. In 1854 London was ravaged by a terrible outbreak of cholera, where within the span of mere weeks over five hundred people in the Soho district died. London, at the time, was a city of around two and a half million people, all crammed into a small area with no system for sewage removal. With overflowing cesspools, improper drainage of all the human and animal waste, and no system for guaranteed clean water, the people of London were in a bad state. They were essentially dumping all of their feces into their drinking water supply, a perfect environment for cholera to thrive.
One of the most visible critics of science today, and the progenitor of the anti-science sentiment is the religious community, specifically the conservative Christians. One can hardly read the newspaper without reading of one religious figurehead or another preaching on the "fallacy of science," pushing their own brand of "truth" on whoever would hear them. As Bishop writes "It is discouraging to think than more than a century after the publication of Charles Darwin's Origin of the Species (1859), and seventy years after the Scopes trial dramatized the issue, the same battles must still be fought."(256) And the loudest rallying cries to these battles can be heard issuing from the throats of the ranks of zealots and their hordes of followers.
Darwinism, the theory of evolution, is a controversial theory that is still being contemplated today. Before the 19th century scientist were puzzled by the idea of where humans, plants, and animals originated. In the late 1700s the question was first tried by a group of scientist, but they were not successful. It was not until a young Charles Darwin found interest in the subject that the discovery was finally able to become a theory. His observations led to his theory of evolution by natural selection. Although, it was a new discovery that shocked so many, Darwin and his accomplices did not realize how significant their newfound theory was. ~~~~
My interest in the role of microbes and viruses began from UG classes (1993-1999) wherein professors taught us...