A simple blood test may help spot pregnant women who are at risk for developing preeclampsia — dangerously high blood pressure during pregnancy — before it becomes a threat to both mother and child. Marked by a sudden spike in blood pressure, protein in urine or other problems during pregnancy, preeclampsia occurs in about 1…  read on >  read on >

British Prime Minister Boris Johnson on Wednesday announced that pre-departure tests for people traveling to the United Kingdom will no longer be required because restrictions meant to contain the international spread of the highly contagious Omicron variant are now meaningless. The change should come as welcome news to people who had refrained from traveling overseas…  read on >  read on >

Far fewer kids might develop asthma if there were less traffic pollution, suggests a new study that researched the issue worldwide. “Our study found that nitrogen dioxide puts children at risk of developing asthma and the problem is especially acute in urban areas,” said study author Susan Anenberg, a professor of environmental and occupational health…  read on >  read on >

The U.S. Centers for Disease Control and Prevention on Wednesday endorsed the emergency use of Pfizer’s booster shots for children ages 12 to 17, expanding protection to adolescents and teens as students return to classes and the highly contagious Omicron variant surges across the country. CDC Director Rochelle Walensky backed a recommendation that came hours…  read on >  read on >

Getting a COVID-19 vaccine is safe in pregnancy, experts have been saying for months. Now, a new study adds evidence to support that advice. “Getting vaccinated against COVID-19 is important for preventing severe illness in pregnant people,” said study author Dr. Heather Lipkind, an associate professor of obstetrics, gynecology and reproductive sciences at the Yale…  read on >  read on >