A peer-reviewed study, published in the Nature journal, investigated brain changes in 785 participants aged 51–81 whose brains were scanned twice, including 401 people who caught Covid between their two scans.
Researchers have found that false online claims are not eliminated simply by marking them as such, but that they should be accompanied by fact checks that provide additional information to counter them.
Covid-19 has infected more than 370M people and killed over 5.6M worldwide. Here are some of the latest coronavirus-related developments:
In a study that spanned over five years, scientists in the US found that providing older subjects with vitamin D or Omega-3 fish oil supplements resulted in a lower rate of autoimmune disease, especially after two years of taking the supplements.
Poorer nations may be left behind as wealthy nations, accounting for just 14 percent of the global population, have pre-ordered just over half of the vaccine doses expected to be produced.
A childhood vaccine may help prevent severe Covid-19 infections, while cigarette smoke increases the risk of contracting the virus, according to the latest study.
For over a decade, doctors have been testing whether the cheap, all-in-one combo pills could help prevent heart and cardiovascular disease and death.
A study by the National Registry of Exonerations finds Black Americans are slightly more likely than whites to be victims of police or prosecutorial misconduct leading to false convictions, especially in drug cases.
Sweden has adopted a more liberal strategy during the coronavirus pandemic, keeping most schools, restaurants, bars and businesses open while much of Europe hunkered down behind closed doors.
New report, which shows black and Asian people in England more likely to die from Covid-19, was not accompanied by specific government advice for those populations.
University of Bonn researchers put a town’s number of known deaths from Covid-19 relative to the larger estimate of local people with a prior infection — as indicated by antibody tests — and applied the rate of 0.37 percent to countrywide deaths.
A sobering Covid-19 study prompted Britain to shut down social life in the country and ordered the most vulnerable to isolate for 12 weeks, ramping up the battle against the coronavirus outbreak as it accelerates towards its peak.
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