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Health & MedicinePotential for protection
A study of U.S. veterans suggests that the anti-inflammatory drug ibuprofen could have a protective effect against Alzheimer’s disease. But researchers say more work is needed.
By Nathan Seppa -
AstronomyHoning the Hubble
Astronomers are sharpening measurements of a familiar cosmic parameter to shed new light on dark energy, the mysterious entity that’s accelerating the universe’s rate of expansion.
By Ron Cowen -
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A moment on the lips …
Adults may be stuck with the fat they have. A study suggests the number of fat cells doesn't change with weight gain or loss.