When a heart stops beating, blood stops flowing and delivering oxygen to the brain (hypoxia) and other vital organs (ischemia). There is a small window (about 4 minutes) before the lack of blood flow begins to damage the ...
An "anti-hunger" molecule produced after vigorous exercise is responsible for the moderate weight loss caused by the diabetes medication metformin, according to a new study in mice and humans. The molecule, lac-phe, was discovered ...
Mar 18, 2024
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Nutrition experts have recognized for many years that western diets rich in fats and sugar may be behind the cause of obesity, but debate has reigned over the primary culprit—intake of too many calories? Specific foods ...
Oct 17, 2023
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Scientists led by Julia Sacher from Max Planck Institute for Human Cognitive and Brain Sciences and Osama Sabri from the Leipzig University Hospital have discovered in an elaborate patient study that the transport of the ...
Jan 30, 2023
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Researchers at Karolinska Institutet who studied SARS-CoV-2 variant BA.2.86, found that the new variant was not significantly more resistant to antibodies than several other variants that are circulating. The study also showed ...
Oct 2, 2023
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Snacks constitute almost a quarter of a day's calories in U.S. adults and account for about one-third of daily added sugar, a new study suggests.
Dec 15, 2023
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Vitamin C and other antioxidants stimulate the formation of new blood vessels in lung cancer tumors, a new study from Karolinska Institutet published in the Journal of Clinical Investigation shows. The discovery corroborates ...
Aug 31, 2023
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Researchers from Amsterdam UMC and Vrije Universiteit Amsterdam (VU) have discovered that the persistent fatigue in patients with long COVID has a biological cause, namely mitochondria in muscle cells that produce less energy ...
Jan 4, 2024
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In fragile X syndrome (FXS), the most common cause of autism, sensory signals from the outside world are integrated differently, causing them to be underrepresented by cortical pyramidal neurons in the brain.
Feb 16, 2023
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455
In animals, a process of programmed cell death called apoptosis ensures cells die when they should. An opposing force, governed by inhibitor of apoptosis proteins (IAPs), guards against excessive cell death. Together these ...
Feb 9, 2023
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