Category Health/Medical

Pick up the pace! Slow Walkers Four Times more likely to Die from COVID-19, study finds

Slow walkers are almost four times more likely to die from COVID-19, and have over twice the risk of contracting a severe version of the virus, according to a team of researchers from the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre led by Professor Tom Yates at the University of Leicester.

The study of 412,596 middle-aged UK Biobank participants examined the relative association of body mass index (BMI) and self-reported walking pace with the risk of contracting severe COVID-19 and COVID-19 mortality.

The analysis found slow walkers of a normal weight to be almost 2.5 times more likely to develop severe COVID-19 and 3.75 times more likely to die from the virus than normal weight fast walkers.

Professor Yates, Lead Researcher for the stud...

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How the Brain learns from Subconscious Stimuli

The ventral tegmental area contains, among others, cells that produce dopamine.

Researchers uncovered for the first time what happens in animals’ brains when they learn from subconscious, visual stimuli. In time, this knowledge can lead to new treatments for a number of conditions. The study, a collaboration between KU Leuven, Massachusetts General Hospital, and Harvard was published in Neuron.

An experienced birdwatcher recognises many more details in a bird’s plumage than the ordinary person. Thanks to extensive training, he or she can identify specific features in the plumage. This learning process is not only dependent on conscious processes...

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Treatment for Type-2 Diabetic Heart Disease

Discovery for treatment of heart disease in type-2 diabetics
Graphical abstract. Credit: Diabetologia (2021). DOI: 10.1007/s00125-021-05405-7

University of Otago researchers have discovered one of the reasons why more than 50% of people with type 2 diabetes die from heart disease. And perhaps more significantly, they have found how to treat it.

Associate Professor Rajesh Katare, of the Department of Physiology, says it has been known that stem cells in the heart of diabetic patients are impaired. While stem cell therapy has proved effective in treating heart disease, it is not the case in diabetic hearts.

It has not been known why; until now.
It comes down to tiny molecules called microRNA which control gene expression.

“Based on the results of laboratory testing, we identified the number of microRNAs that are impaired in stem cells of...

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Unique Ag-Hydrogel Composite for Soft Bioelectronics created

Source: Soft Machines Lab
Stingray-inspired soft swimmer

In the field of robotics, metals offer advantages like strength, durability, and electrical conductivity. But, they are heavy and rigid – properties that are undesirable in soft and flexible systems for wearable computing and human-machine interfaces.

Hydrogels, on the other hand, are lightweight, stretchable, and biocompatible, making them excellent materials for contact lenses and tissue engineering scaffolding. They are, however, poor at conducting electricity, which is needed for digital circuits and bioelectronics applications.

Researchers in Carnegie Mellon University’s Soft Machines Lab have developed a unique silver-hydrogel composite that has high electrical conductivity and is capable of delivering direct current w...

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