Caltech biologists identify mechanism by which beneficial bacteria reside, thrive in gastrointestinal tract The body is filled with tiny microorganisms-hundreds to a large number of species of bacteria collectively called the microbiome, which are thought to contribute to a healthy existence. The gastrointestinal tract-and the colon in particular-is house to the largest concentration and highest diversity of bacterial species. But just how do these organisms persist and thrive in a system that’s constantly in flux because of foods and fluids moving through it? A group led by California Institute of Technology biologist Sarkis Mazmanian believes it has found the response, at least in one common band of bacteria: a set of genes that promotes steady microbial colonization of the gut medication information .
Contact for pediatricians to educate the public about emergency department overcrowding Each full year a lot more than 100 million Americans, including 30 million children, receive emergency care – a 600 % increase since 1958. The effect is overtaxed emergency departments and potentially substandard look after children and family members. A new plan from the American Academy of Pediatrics phone calls on pediatricians to educate the general public about ED overcrowding and to work on specific solutions with families, health professionals, policymakers and legislators. Related StoriesNew UCLA research talks about primary care medical home in reducing childrens' repeat visits to hospitalsOutreach program increases completion of HPV vaccination series by teens in safety-net settingsResearchers develop brand-new development charts for U.S.