Health & Medicine
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Neuroscience
Newly identified brain circuit could be target for treating obesity
In mice, specific nerve cells control compulsive sugar consumption, but not normal feeding, hinting at a new therapeutic target for treating obesity.
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Health & Medicine
Ebola vaccine performs well in U.K. human trial
A vaccine that protects against the Zaire strain of Ebola turns in promising preliminary results from a human trial.
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Neuroscience
Immune system may remember and adapt to stress
Mice without immune systems who receive stressed immune cells are less anxious and more social, suggesting that the immune system can adapt to stress.
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Agriculture
Superbugs take flight from cattle farms
Winds can carry antibiotics and drug-resistant bacteria from cattle farms to downwind communities.
By Beth Mole -
Life
When bacteria-killing viruses take over, it’s bad news for the gut
A rise in some bacteria-killing viruses in the intestines may deplete good bacteria and trigger inflammatory bowel diseases.
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Environment
Atrazine’s path to cancer possibly clarified
Scientists have identified a cellular button that the controversial herbicide atrazine presses to promote tumor development.
By Beth Mole -
Neuroscience
Brain’s protective barrier gets leakier with age
Aging influences the breakdown of the blood-brain barrier, which may contribute to learning and memory problems later in life.
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Health & Medicine
Immune system ‘reset’ may give MS patients a new lease on life
With the help of their own stem cells, MS patients can stop the disease in its tracks in many cases.
By Nathan Seppa -
Health & Medicine
What’s in a nap? For babies, it may make long-lasting memories
Taking naps after learning seems to help babies less than a year old make memories and keep them, for about a day anyway.
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Neuroscience
Brain’s plumbing may knock out blood test for brain injury
The brain's waste-removal system may complicate scientists' attempts to create a blood test to diagnose traumatic brain injury.
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Neuroscience
To beat sleepiness of anxiety drugs, team looks to body’s clock
Studying basic functions, such as the body’s clock, has inadvertently led to a compound that relieves anxiety in mice.
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Neuroscience
Protectors of our nervous system play a role in pain
PET and MRI brain scans show that the cells that protect our central nervous system also play a role in chronic pain.