Scientist hunched over a lab workbench in exhaustion
Neurotransmitter Buildup May Be Why Your Brain Feels Tired
Performing complex cognitive tasks leads to glutamate accumulating in a key region of the brain, a study finds, which could explain why mental labor is so exhausting.
Neurotransmitter Buildup May Be Why Your Brain Feels Tired
Neurotransmitter Buildup May Be Why Your Brain Feels Tired

Performing complex cognitive tasks leads to glutamate accumulating in a key region of the brain, a study finds, which could explain why mental labor is so exhausting.

Performing complex cognitive tasks leads to glutamate accumulating in a key region of the brain, a study finds, which could explain why mental labor is so exhausting.

myalgic encephalomyelitis
a woman sitting on a bed with her head in her arms
Blood MicroRNA Patterns Linked to Chronic Fatigue Syndrome
Katarina Zimmer | Nov 30, 2020
A finding of distinct patterns of gene-regulating RNA snippets in the blood of ME/CFS patients in response to a stress test could pave the way for a diagnostic tool for the condition and help untangle its underlying mechanisms.
Infographic: What is ME/CFS?
Katarina Zimmer | Aug 11, 2020
The COVID-19 pandemic is sparking renewed efforts to study the underlying causes of this complex, debilitating disease, which might be triggered by the novel coronavirus.
an illustration of a woman holding her head
Could COVID-19 Trigger Chronic Disease in Some People?
Katarina Zimmer | Jul 17, 2020
A handful of viruses have been associated with long-term, debilitating symptoms in a subset of those who become infected. Early signs hint that SARS-CoV-2 may do the same.
a man holding a small electronic chip
Stressed Blood Cells Could Be a Biomarker for Chronic Fatigue
Shawna Williams | Apr 29, 2019
In a small study, researchers devise a test that could distinguish healthy people from those with the syndrome, also known as myalgic encephalomyelitis.
NIH Tackles Neglected Mystery Illness
Tanya Lewis | Jun 14, 2016
It has been more than seven months since the National Institutes of Health pledged increased funding for myalgic encephalomyelitis/chronic fatigue syndrome research. Here is how some of that money will be put to use.