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Neuroscience

The brain's imperfect execution of mathematically optimal perception

Human perception is based on mathematically optimal principles, but the brain implements those principles imperfectly, suggests new research by Elina Stengård and Ronald van den Berg of the University of Uppsala, Sweden. ...

Neuroscience

General anesthesia hijacks sleep circuitry to knock you out

The discovery of general anesthesia 170 years ago was a medical miracle, enabling millions of patients to undergo invasive, life-saving surgeries without pain. Yet despite decades of research, scientists still don't understand ...

Neuroscience

Pig experiment raises ethical questions around brain damage

The brain is more resilient than previously thought. In a groundbreaking experiment published in this week's issue of Nature, neuroscientists created an artificial circulation system that successfully restored some functions ...

Health

Late dinner and no breakfast is a killer combination

People who skip breakfast and eat dinner near bedtime have worse outcomes after a heart attack. That's the finding of research published today in the European Journal of Preventive Cardiology, a journal of the European Society ...

Health

Asian nations in early tobacco epidemic: study

Asian countries are in the early stages of a tobacco smoking epidemic with habits mirroring those of the United States from past decades, setting the stage for a spike in future deaths from smoking-related diseases.

Medical research

A possible blood test for early-stage Alzheimer's disease

A large team of researchers affiliated with a host of institutions across South Korea has developed a possible blood test to detect the early stages of Alzheimer's disease in patients who have yet to exhibit symptoms. In ...

Diseases, Conditions, Syndromes

How the hepatitis B virus establishes persistent infection

New research sheds light on how a hepatitis B viral protein stimulates the expansion of immune cells that impair antiviral responses, according to a study published April 18 in the open-access journal PLOS Pathogens by Haitao ...

Neuroscience

Study shows promise in repairing damaged myelin

A scientific breakthrough provides new hope for millions of people living with multiple sclerosis. Researchers at Oregon Health & Science University have developed a compound that stimulates repair of the protective sheath ...