'Conversation stoppers' fight deadly bacterial infections

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Bacteria can aggregate and produce dangerous biofilms that make them physically resistant to antibiotics. Researchers at the University of Wisconsin-Madison have designed a group of compounds that show promise for blocking biofilm formation a strateg ...
Bacteria can aggregate and produce dangerous biofilms that make them physically resistant to antibiotics. Researchers at the University of Wisconsin-Madison have designed a group of compounds that show promise for blocking biofilm formation, a strategy that could one day result in new drugs to fight infections. Credit: (Photo courtesy of USDA Agricultural Research Service)

Bacterial infections are becoming more deadly worldwide due to increased resistance to antibiotics. Now, chemists at the University of Wisconsin-Madison have developed a powerful strategy to fight these deadly infections: Instead of killing the bacteria directly, the scientists designed a group of compounds that can block the chemical signals that the bacteria use to communicate in an effort to stop their spread.


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All News summaries for September 11, 2006

Flu vaccine not associated with reduced hospitalizations or outpatient visits among young children

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Use of the influenza vaccine was not associated with preventing hospitalizations or reducing physician visits for the flu in children age 5 and younger during two recent seasons, perhaps because the strains of virus in the ...

Individuals with social phobia see themselves differently

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Magnetic resonance brain imaging reveals that patients with generalized social phobia respond differently than others to negative comments about themselves, according to a report in the October issue of Archives of General ...

Occasional memory loss tied to lower brain volume

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People who occasionally forget an appointment or a friend's name may have a loss of brain volume, even though they don't have memory deficits on regular tests of memory or dementia, according to a study published in the October ...

Racial differences for brain bleeds suggest stroke risk greater than thought for blacks

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Small, clinically silent areas of bleeding in the brain appear to be more common in black versus white stroke patients hospitalized for new brain bleeds, say researchers at Georgetown University Medical Center. These findings ...

ADHD stimulant treatment may decrease risk of substance abuse in adolescent girls

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Massachusetts General Hospital (MGH) researchers have found that treatment with stimulant drugs does not increase and appears to significantly decrease the risk that girls with ADHD will begin smoking cigarettes or using ...