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Antibiotics Kill off Benficial Bacteria

Posted Jun 19 2009 4:02pm

Antibiotics are one of modern medicine's greatest inventions, but have you ever thought of how scray the idea of something being anti-biotic? Anti living things? We are actually made up of bacteria, and they serve an important function, esp. in our guts where they synthesize and create vitamins, protect us against invaders such as bad bacteria and yeasts, and who know what else.

Much antibiotic use can actually be avoided and they are often prescribed erroneously; we had a caes of pinkeye in the house for which the doctor did NOT bother to culture to see if it was viral (where antibiotics wouldn't work) or bacterial. I used breast milk on me and the kid, my husband took the antibiotics. Guess whose cleared up in 24 hours and who had a five day gross infection.

If you HAVE to take antibiotics, e.g., for Lyme disease, I'd suggest stocking up on the kimchi and/or acidophilus supplements:
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Newswise — It’s common knowledge that a protective navy of bacteria normally floats in our intestinal tracts. Antibiotics at least temporarily disturb the normal balance. But it’s unclear which antibiotics are the most disruptive, and if the full array of “good bacteria” return promptly or remain altered for some time.

In studies in mice, University of Michigan scientists have shown for the first time that two different types of antibiotics can cause moderate to wide-ranging changes in the ranks of these helpful guardians in the gut. In the case of one of the antibiotics, the armada of “good bacteria” did not recover its former diversity even many weeks after a course of antibiotics was over.

The findings could eventually lead to better choices of antibiotics to minimize side effects of diarrhea, especially in vulnerable patients. They could also aid in understanding and treating inflammatory bowel disease, which affects an estimated 500,000 to 1 million Americans, and Clostridium difficile, a growing and serious infection problem for hospitals.

Normally, a set of thousands of different kinds of microbes lives in the gut – a distinctive mix for each person, and thought to be passed on from mother to baby. The microbes, including many different bacteria, aid digestion and nutrition, appear to help maintain a healthy immune system, and keep order when harmful microbes invade.

“Biodiversity is a well-known concept in the health of the world’s continents and oceans. Diversity is probably important in the gut microsystem as well,” says Vincent B. Young, M.D., Ph.D., senior author of the study, which appears in the June issue of Infection and Immunity.

The study results suggest that unless medical research discovers how to protect or revitalize the gut microbial community, “we may be doing long-term damage to our close friends,” says Young, assistant professor in the departments of internal medicine and microbiology and immunology at the U-M Medical School.
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