Oleh Hornykiewicz, a Polish-born pharmacologist whose breakthrough research on Parkinson’s disease has spared millions of patients the tremors and other physical impairments it can cause, died on May 27 in Vienna. He was 93. His death was confirmed by his longtime colleague, Professor Stephen J. Kish of the University of Toronto, where Professor Hornykiewicz (pronounced…
Three months after the country’s top public health agency, the Centers for Disease Control and Prevention, abruptly stopped holding regular briefings on the coronavirus pandemic, its director, Dr. Robert Redfield, restarted them on Friday amid growing calls for the agency to claim a more prominent role in the virus response. The C.D.C. also released a…
Here’s what you need to know: ImageMedical workers registering people at a testing site in Miami in May.Credit…Lynne Sladky/Associated Press KEY DATA OF THE DAY Florida and Texas report records for daily highs in new cases. Two of the nation’s most populous states, Texas and Florida, both reported this week their highest daily totals of…
As protesters filled the streets of downtown San Jose, Calif., recently, the police fired munitions known as rubber bullets into the crowd — a common technique to disperse throngs. Breanna Contreras’s head jerked back from the impact as a black projectile “roughly the size of an extra-jumbo marshmallow” struck her temple, near her eye. “I…
For months, scientists have debated why one genetic variation of the coronavirus became dominant in many parts of the world. Many scientists argue that the variation spread widely by chance, multiplying outward from explosive outbreaks in Europe. Others have proposed the possibility that a mutation gave it some kind of biological edge and have been…
When Linsey Marr’s son started attending day care 12 years ago, she noticed that he kept getting sick with the sniffles and other minor illnesses. But unlike most parents, Dr. Marr, an aerosol scientist at Virginia Tech, tried to figure out why. “When I’d pick him up, I’d find out that more than half the…
ImageAt a pre-K graduation ceremony in Jersey City, N.J., this week. Some schools are allowed to open if they take precautions like dividing students into small groups and requiring masks.Credit…Seth Wenig/Associated Press For many parents, the most pressing question as the nation emerges from pandemic lockdown is when they can send their children to school,…
Research assumes that many sleep disorders are caused by our modern lifestyle, which is characterized by pressure to constantly perform and be active. Rhythms of work and leisure activities thus set a cycle that is often at a mismatch with the body’s internal biological clock. If the differences in sleep timing and duration between work…
Four out of ten university students have reported they are worried that they will run out of food as they deal with the impact of the coronavirus pandemic, according to a new report. A collaboration of universities in the UK and USA surveyed students on their levels of food insecurity during April, after universities in…
Genetics could help diagnose diabetes in Indians, study shows A new way of using genetics to diagnose diabetes could pave the way for better diagnosis and treatment in Indians, new research has concluded. Misdiagnosis of diabetes could be an issue in India because of features of diabetes in Indians which might vary from the standard…