Antibiotics Are Substances That Can Destroy Or Prevent The Growth Of The Bacteria And Cure Infections

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Antibiotics are substances that can destroy or prevent the growth of the bacteria and cure infections. In 1928, Alexander Fleming who was a Scottish biologist, pharmacologist, and botanist found the first antibiotic, penicillin, in the world. It was a significant discovery in the medical field. During the World War II, the penicillin had saved many lives. According to PBS, “400 million units of pure penicillin were manufactured” and “650 billion units a month” were produced by the end of 1945 (Markel). In his acceptance speech for Nobel Prize in 1945, Fleming precisely warned the public of the possibilities of “microbes [becoming] resistan[ce] to penicillin” (Fleming). In the following seventy years, the excessive use of antibiotics to defeat illness, feed the animals, and produce the antibacterial products has imposed detrimental effects to the health of humans, animals, and environment. Antibiotics has been threatening the healthy of many people because they are overused. It was estimated that “50 percent of antibiotic prescriptions may be unnecessary” for the human diseases and the prescription rates were “higher among persons younger than 10 years of age and persons 65 years of age or order” (Hicks and Taylor). Antibiotics couldn’t fight infection caused by viruses like colds, flu, most sore throats and taking antibiotics for virus infection would contribute the antibiotic resistance. The result of the overuse of antibiotics was the bacteria mutated and became the…

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