206890 RESULTS

Bizarre Twist on Amyloid Structure

RESEARCH NEWS 2017-02-24 Research News In a stunning discovery, scientists have found the first natural example of an amyloid made entirely of α-helices, instead of the typical β-sheets. The fibril comes from none other than the bacterium Staphylococcus aureus, notorious for its ...

Case Closed: Testosterone Does Not Boost Cognition

RESEARCH NEWS 2017-02-24 Research News The results are in and they leave little doubt—a year of testosterone therapy does not enhance cognitive function in older men who produce low levels of the hormone. Thus concludes an NIA/NIH–sponsored trial that aimed to test whether ...

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