News tagged with digestive tract

Gut bacteria increase fat absorption

You may think you have dinner all to yourself, but you're actually sharing it with a vast community of microbes waiting within your digestive tract. A new study from a team including Carnegie's Steve Farber ...

Sep 12, 2012
popularity 4.9 / 5 (8) | comments 0 | with audio podcast

For our guts, not just any microbiome will do

Gut bacteria's key role in immunity is tuned to the host species, researchers have found, suggesting that the superabundant microbes lining our digestive tract evolved with us—a tantalizing clue in the mysterious recent ...

Jun 21, 2012
popularity 5 / 5 (5) | comments 0 | with audio podcast

Team discovers how cells distinguish friend from foe

(Medical Xpress)—Researchers at UC Davis have shown how the innate immune system distinguishes between dangerous pathogens and friendly microbes. Like burglars entering a house, hostile bacteria give themselves away by ...

Apr 01, 2013
popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Gastric bypass reduces blood pressure

The kidneys play an important role in the regulation of blood pressure by adjusting the production of urine after eating or drinking. This process begins already in the upper digestive tract, which could explain why gastric ...

Sep 07, 2011
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No need to shrink guts to have a larger brain

Brain tissue is a major consumer of energy in the body. If an animal species evolves a larger brain than its ancestors, the increased need for energy can be met by either obtaining additional sources of food or by a trade-off ...

Nov 09, 2011
popularity 5 / 5 (1) | comments 0 | with audio podcast