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Mary Poffenroth, an adjunct professor of biology, discusses the differences between good and bad bacteri. Poffenroth discusses how both types of bacteria exist in abundance throughout the world. Without bacteria, humankind would cease to exist. Bacteria are not always bad, as good bacteria exist within the body and are critical in keeping the body healthy and functional.
Bacteria are prokaryotic organisms, which do not have nuclei.http://www.biology4kids.com/files/micro_prokaryote.html Bacteria exist everywhere on the planet, and thrive in various
conditions. They are necessary for an ecosystem to
flourish and humankind would not be able to survive without bacteria.http://www.youtube.com/watch?v=IekdfJ-7Zyk Whether bacteria are considered "good" or "bad" is often determined by
their potential harm to the environment and/or humankind. Harmful
bacteria are called pathogenic bacteria, or pathogens, which either
assume the form of an endotoxin or an exotoxin, and pose a threat to
humans by creating bacterial infections within the body.http://www.youtube.com/watch?v=IekdfJ-7Zyk Examples of these pathogens include E.coli and streptococcus. These bacterial infections can then be treated with antibiotics. Some bacterial infections, such as meningitis and pneumonia, will
ultimately result in death if the use of antibiotics is
neglected.http://www.nlm.nih.gov/medlineplus/bacterialinfections.html
Benefits of Good Bacteria
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Foods with bacteria called probiotics can aid in digestion and ease
digestive upset, by making the good bacteria that resides within the
human colon multiply and flourish. Probiotics can be purchased over the counter in supplement form to add
to various drinks or snacks, or can often be found in foods such as
yogurt and miso.http://www.medicinenet.com/probiotics/article.htm Good bacteria which reside within the human body also helps to
expedite the production of essential vitamins, which keep the body
healthy and fully functional.http://www.youtube.com/watch?v=IekdfJ-7Zyk Bacteria is also beneficial to the environment as it helps to recycle nutrients. Every healthy ecosystem relies on bacteria to maintain balance.http://www.youtube.com/watch?v=IekdfJ-7Zyk
Antibiotic Resistance
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The overuse of antibiotics in treating infections can be harmful to individuals and the environment. Antibiotics can kill off the good bacteria which resides within
the body that can allow bad bacteria to grow in its
place. The misuse of antibiotics can actually cause other bacteria in the body to mutate and grow resistant to antibiotics in the future.http://www.cdc.gov/drugresistance/about.htmlSome viral infections can be confused with bacterial infections; since
viral strains of infections cannot be cured with antibiotics, the
misused antibiotics can actually cause other bacteria in the body to
mutate and grow resistant to antibiotics in the future. The bacteria known as MRSA ("Staphylococcus aureus"), which is most
often transmitted in hospitals or health care locations, has become drug
resistant in recent years, and poses a significant health risk to
certain individuals.http://www.cdc.gov/drugresistance/about.html
Read more by visiting our page at:
http://www.mahalo.com/good-bacteria-vs-bad-bacteria/
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