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1 | 0Study Finds Probiotics 'Not As Beneficial For Gut Health As Previously Thought' (theguardian.com) null/SLASHDOT/0102641010 70\r |
2 | i Thursday September 06, 2018 @11:30PM (BeauHD)\r | |
3 | i from the contrary-to-popular-belief dept.\r | |
4 | i\r | |
e818d449 NR |
5 | i An anonymous reader quotes a report from The Guardian:\r |
6 | i \r | |
7 | i > The gut microbiome is the sum total of all the\r | |
8 | i micro-organisms living in a person's gut, and has been shown\r | |
9 | i to play a huge role in human health. New research has found\r | |
10 | i probiotics -- usually taken as supplements or in foods such as\r | |
11 | i yoghurt, kimchi or kefir -- [1]can hinder a patient's gut\r | |
12 | i microbiome from returning to normal after a course of\r | |
13 | i antibiotics , and that different people respond to probiotics\r | |
14 | i in dramatically different ways. In the [2]first of two papers\r | |
15 | i published in the journal Cell, researchers performed\r | |
16 | i endoscopies and colonoscopies to sample and study the gut\r | |
17 | i microbiomes of people who took antibiotics before and after\r | |
18 | i probiotic consumption. Another group were given samples of\r | |
19 | i their own gut microbiomes collected before consuming\r | |
20 | i antibiotics. The researchers found the microbiomes of those\r | |
21 | i who had taken the probiotics had suffered a "very severe\r | |
22 | i disturbance." "Once the probiotics had colonized the gut, they\r | |
23 | i completely inhibited the return of the indigenous microbiome\r | |
24 | i which was disrupted during antibiotic treatment," said Eran\r | |
25 | i Elinav, an immunologist at the Weizmann Institute of Science\r | |
26 | i in Israel and lead author on the studies.\r | |
27 | i \r | |
28 | i >\r | |
29 | i \r | |
30 | i > The scientists also compared the gut microbiomes of the gut\r | |
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31 | i intestinal tract of 25 volunteers with that of their stools.\r |
32 | i They found that stool bacteria only partially correlated with\r | |
33 | i the microbiomes functioning inside their bodies. "So the fact\r | |
34 | i that we all almost exclusively rely on stool in our microbiome\r | |
35 | i research may not be a reliable way of studying gut microbiome\r | |
e818d449 | 36 | i health," said Elinav. In the [3]second paper , the researchers\r |
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37 | i examined the colonization and impact of probiotics on 15\r |
38 | i people by sampling within their gastrointestinal tract. They\r | |
39 | i divided the individuals into two groups: one were given a\r | |
40 | i preparation made of 11 strains of very commonly used\r | |
41 | i probiotics and the other were given a placebo. Of those who\r | |
42 | i were given probiotics, he said, "We could group the\r | |
43 | i individuals into two distinct groups: one which resisted the\r | |
44 | i colonisation of the probiotics, and one in which the\r | |
45 | i probiotics colonized the gut and modified the composition of\r | |
46 | i the gut microbiome and the genes of the host individual."\r | |
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47 | i \r |
48 | i \r | |
49 | i \r | |
50 | i [1] https://www.theguardian.com/science/2018/sep/06/probiotics-\r | |
51 | i not-as-beneficial-for-gut-health-as-previously-thought\r | |
52 | i \r | |
53 | i [2] https://www.cell.com/cell/fulltext/S0092-8674(18)31102-4\r | |
54 | i \r | |
55 | i [3] https://www.cell.com/cell/fulltext/S0092-8674(18)31108-5\r | |
299a08f3 | 56 | i\r |