Diseases, Conditions, Syndromes

Don't let Long Covid 'fall through the cracks', WHO warns

The World Health Organization called Tuesday for greater research, recognition and rehabilitation for Long COVID sufferers as it brought experts together to share insights into the little-understood condition.

Neuroscience

Common eyesight myth about strabismus demystified

New research led by the University of St Andrews finds that a common eye condition has little or no impact on an aspect of a person's three-dimensional perception.

Neuroscience

Brain damage of patients with Covid-19

In an in-depth study of how COVID-19 affects a patient's brain, National Institutes of Health researchers consistently spotted hallmarks of damage caused by thinning and leaky brain blood vessels in tissue samples from patients ...

Neuroscience

Astrocytes eat connections to maintain plasticity in adult brains

Developing brains constantly sprout new neuronal connections called synapses as they learn and remember. Important connections—the ones that are repeatedly introduced, such as how to avoid danger—are nurtured and reinforced, ...

Neuroscience

Video: Human brain scan

This colorful brain scan is a 3-D model created by tractography, which uses data collected with diffusion weighted MRI to map the brain's white matter. Each line represents a bundle of nerve fibers wrapped in a myelin sheaths, ...

Psychology & Psychiatry

An Amazonian tea stimulates the formation of new neurons

One of the main natural components of ayahuasca tea is dimethyltryptamine (DMT), which promotes neurogenesis —the formation of new neurons—according to research led by the Complutense University of Madrid (UCM).

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