The taste buds located on the tongue contain angiotensin-converting enzyme 2 (ACE2), through which the coronavirus enters cells, bioRxiv portal reported. As the authors of the study explained, when infected with coronavirus, taste cells can also be affected. This explains the fact that COVID-19 patients complain of loss of taste or change in taste. Experts…
Scientists at MIPT and their colleagues at Harvard have presented artificially grown retinal cells that can integrate into the retina. This is the first successful attempt to transplant stem cell-derived ganglion cells (retinal neurons destroyed by glaucoma) in a laboratory setting. According to Eurek Alert, scientists tested the new technology in mice and found that…
RNA vaccines based on the classic SARS-CoV-2 coronavirus strain produce immune cells that recognize mutant strains of the virus, as scientists from Johns Hopkins University (USA) found, reported in an article published in the Journal of Clinical Investigation. According to MedicalXpress, the vaccine causes the body to produce CD4 + T-lymphocytes (or T-helpers), which activate…
Most people are advised to eat breakfast almost immediately after waking up, but for some people not eating early in the morning has benefits, endocrinologist Ekaterina Young noted. According to her, people who suffer from various diseases of the gastrointestinal tract have leptin resistance, a deficiency of protein and vitamins, an imbalance of hormones of…
People who neglect oral hygiene are more at risk of developing dementia, including Alzheimer’s disease, scientists from the University of New York noted. The pathogenic microflora of the gums may be associated with high levels of beta-amyloid protein, abnormal accumulations of which are considered dangerous for neurons. American scientists conducted an experiment involving 48 elderly…
Every tenth person who has had a mild COVID-19 illness, even after 8 months, has at least one moderate or severe post-coronavirus symptom that negatively affects the quality of life, Sweden’s scientists noted. The results of their new study were published in the Journal of the American Medical Association. In the first phase of the…
In England and Wales, the death rate from coronavirus among people over 80 fell by 92% due to vaccination, experts said noting that this proves the effectiveness of vaccines. According to The Daily Mail, the country recorded 379 deaths in patients with coronavirus infection, while in January, there were more than 5,300 deaths. After the…
Multiple organ dysfunction is more common in people discharged from hospital after COVID-19 than in the general population, BMJ reported referring to a new study. The increased risk of organ damage is not limited to the elderly and is not evenly distributed across ethnic groups, leading researchers to speculate that the long-term burden of COVID-19-related…
Frequent consumption of sugar-sweetened beverages during adolescence is very dangerous, American scientists noted. In a rodent model, it was shown that frequent consumption of sweets decreases learning performance and weakens the process of memorization in adulthood. Changes in the gut bacteria Parabacteroides may be the key to sugar-induced memory impairment, Medical Express reports. Sugar consumed…
Scientists at the American Cedars-Sinai Medical Center have proposed a new approach to treating men with COVID-19 infection using female hormones. The risk of contracting the SARS-CoV-2 coronavirus in men and women is the same. However, men with this infection end up in the intensive care unit 2.84 times more often than women, and their…
