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Category: biotech/medical – Page 1,992

Controversial Coronavirus Lab Origin Claims Dismissed By Experts

“Properties that have never been found in nature”

New claims that the novel coronavirus SARS-CoV-2 was engineered have been dismissed by scientific and intelligence experts.

The authors of a British-Norwegian vaccine study—accepted by the Quarterly Review of Biophysics—claim that the coronavirus’s spike protein contains sequences that appear to be artificially inserted.

In their paper, the Norwegian scientist Birger Sørensen and British oncologist Angus Dalgleish claim to have identified “inserted sections placed on the SARS-CoV-2 spike surface” that explains how the virus interacts with cells in the human body. Virologists, however, note that similar sections appear naturally in other viruses.

Out With the Old Blood

There is great promise in 2020 that we might be able to make our bodies young without having to explicitly repair molecular damage, but just by changing the signaling environment.

Do we need to add signals that say “young” or remove signals that say “old”?

Does infusion of biochemical signals from young blood plasma rejuvenate tissues of an old animal? Or are there dissolved signal proteins in old animals that must be removed?

How ‘microgravity’ changes the bodies of astronauts

Being an astronaut looks like an exciting and glamorous career. But have you ever thought about the dangers that these people face by being exposed to extreme conditions, such as radiation and microgravity?

Living and working in microgravity can impact your whole body in different ways. On the other hand, the human body is capable of adapting its physiology to survive in diverse conditions.

Drug researcher develops ‘fat burning’ molecule that has implications for treatment of obesity

Mentions aging!

Obesity affects more than 40 percent of adults in the United States and 13 percent of the global population. With obesity comes a variety of other interconnected diseases including cardiovascular disease, diabetes, and fatty liver disease, which makes the disease one of the most difficult—and most crucial—to treat.

“Obesity is the biggest health problem in the United States. But, it is hard for people to lose weight and keep it off; being on a diet can be so difficult. So, a pharmacological approach, or a drug, could help out and would be beneficial for all of society,” said Webster Santos, professor of chemistry and the Cliff and Agnes Lilly Faculty Fellow of Drug Discovery in the College of Science at Virginia Tech.

Santos and his colleagues have recently identified a small mitochondrial uncoupler, named BAM15, that decreases the body fat mass of mice without affecting food intake and muscle mass or increasing body temperature. Additionally, the molecule decreases insulin resistance and has on oxidative stress and inflammation.

Repetitive negative thinking linked to dementia risk

Persistently engaging in negative thinking patterns may raise the risk of Alzheimer’s disease, finds a new UCL-led study.

In the study of people aged over 55, published in Alzheimer’s & Dementia, researchers found ‘repetitive negative thinking’ (RNT) is linked to subsequent cognitive decline as well as the deposition of harmful brain proteins linked to Alzheimer’s.

The researchers say RNT should now be further investigated as a potential risk factor for dementia, and psychological tools, such as mindfulness or meditation, should be studied to see if these could reduce .

New Genetic Identification of COVID-19 Susceptibility Will Aid Treatment

For the first time, Italian scientists have been able to identify the genetic and molecular basis of this susceptibility to infection as well as to the possibility of contracting a more severe form of the disease. The research will be presented to the 53rd annual conference of the European Society of Human Genetics, being held entirely on-line due to the Covid-19 pandemic, today [Saturday].

This Interactive Map Tells You Which Countries Are Open for Travel

As we head into summer, it’s hard not to think about traveling. Not only it is the traditional season for vacations, but we’ve also been cooped up inside for months and most of us are probably itching to explore something new. Of course, given that we’re in the middle of a global pandemic where travel—especially by plane—isn’t a great idea, planning a trip may be more fantasy than reality these days. Either way, you may be curious about which countries have opened up to tourists. If so, an interactive map put out by the International Airline Transportation Association is a great tool.