Singapore modelling study estimates impact of physical distancing on reducing spread of COVID-19

March 26, 2020

A new modelling study conducted in a simulated Singapore setting has estimated that a combined approach of physical distancing interventions, comprising quarantine (for infected individuals and their families), school closure, and workplace distancing, is most effective at reducing the number of SARS-CoV-2 cases compared with other intervention scenarios included in the study. While less effective […]

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A good blood supply is good for memory

March 6, 2020

Memory performance and other cognitive abilities benefit from a good blood supply to the brain. This applies in particular to people affected by a condition known as “sporadic cerebral small vessel disease.” Researchers of the German Center for Neurodegenerative Diseases (DZNE) and the University Medicine Magdeburg report on this in the journal “BRAIN.” Their study […]

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CT provides best diagnosis for COVID-19

March 6, 2020

In a study of more than 1,000 patients published in the journal Radiology, chest CT outperformed lab testing in the diagnosis of 2019 novel coronavirus disease (COVID-19). The researchers concluded that CT should be used as the primary screening tool for COVID-19. In the absence of specific therapeutic drugs or vaccines for COVID-19, it is […]

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Could new discovery play a role in diagnosing Alzheimer’s earlier?

March 5, 2020

Scientists have detected that a previously overlooked gene behavior could potentially lead to a new way to diagnose Alzheimer’s earlier. Published in the journal Epigenetics, an international research team’s findings – discovered in mice and confirmed in human samples – suggest that the gene Presenilin1 (PSEN1) should be monitored as a ‘biomarker’: to see what […]

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The secret to a long life?

March 4, 2020

Scientists at Sanford Burnham Prebys Medical Discovery Institute have shown that worms live longer lives if they produce excess levels of a protein, p62 or SQSTM1, which recognizes toxic cell proteins that are tagged for destruction. The discovery, published in Nature Communications, could help uncover treatments for age-related conditions, such as Alzheimer’s disease, which are often […]

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A deep dive into cellular aging

February 20, 2020

Scientists at Sanford Burnham Prebys Medical Discovery Institute and Harvard University have discovered that mitochondria trigger senescence, the sleep-like state of aged cells, through communication with the cell’s nucleus—and identified an FDA-approved drug that helped suppress the damaging effects of the condition in cells and mice. The discovery, published in Genes & Development, could lead […]

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Empathy can be detected in people whose brains are at rest

February 20, 2020

UCLA researchers have found that it is possible to assess a person’s ability to feel empathy by studying their brain activity while they are resting rather than while they are engaged in specific tasks. Traditionally, empathy is assessed through the use of questionnaires and psychological assessments. The findings of this study offer an alternative to […]

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How too much fluoride causes defects in tooth enamel

February 20, 2020

Exposing teeth to excessive fluoride alters calcium signaling, mitochondrial function, and gene expression in the cells forming tooth enamel—a novel explanation for how dental fluorosis, a condition caused by overexposure to fluoride during childhood, arises. The study, led by researchers at NYU College of Dentistry, is published in Science Signaling. Fluoride is a naturally occurring […]

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Binaural beats synchronize brain activity, don’t affect mood

February 20, 2020

An auditory illusion thought to synchronize brain waves and alter mood is no more effective than other sounds, according to research in adults recently published in eNeuro. The effect reported in other studies might be a placebo but could still have helpful effects for some people. Binaural beats are an auditory illusion caused by listening […]

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How the brain’s immune system could be harnessed to improve memory

February 14, 2020

Inflammation can send the brain’s immune cells into damaging hyperdrive, and this has been linked to neurodegenerative diseases that affect memory, like dementia. In the new study, researchers at RMIT found that these same immune cells – known as microglia – can also be activated to have the reverse effect. When the microglia were altered in rats, their performance in simple memory tasks improved by up to 50%, rather […]

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