Diseases, Conditions, Syndromes

Surging nerve system disorders now top cause of illness: Study

Conditions affecting the nervous system—such as strokes, migraines and dementia—have surged past heart disease to become the leading cause of ill health worldwide, a major new analysis said on Friday.

Autism spectrum disorders

Clues to autism's causes may lie in the gut

Professor Alessio Fasano, a gastroenterologist at Massachusetts General Hospital in the US, has several relatives and friends raising children with autism—a neurological disorder characterized by impaired social behavior—so ...

Neuroscience

Neurotransmitter orexin influences pupil size, research shows

The way the brain regulates pupil size is different from previously thought: fundamentally responsible is the neurotransmitter orexin, as researchers at ETH Zurich have now shown. This discovery could well alter our understanding ...

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