If you like to take a snooze in the afternoon, your genes may explain your love of daytime naps, researchers say. For their study, investigators analyzed data from the UK Biobank, which contains genetic information from nearly 453,000 people who were asked how often they nap during the day. The genome-wide association study identified 123…  read on >  read on >

Too much coffee during pregnancy could lead to kids with behavior problems later on. That’s the key takeaway from new research that examined 9,000 brain scans from 9- and 10-year-olds as part of the largest long-term study of brain development and child health. “The goalposts are moved by caffeine, and there are subtle, but real…  read on >  read on >

The United States will have enough COVID-19 vaccines to inoculate 300 million Americans by summer, President Joe Biden announced Thursday. During a tour of the National Institute of Health’s Viral Pathogenesis Laboratory, where the Moderna COVID-19 vaccine was created, Biden said his administration had secured the delivery of 600 million doses of the Moderna and…  read on >  read on >

Here’s some good news for people who’ve had solid organ transplants and have weakened immune systems: mRNA coronavirus vaccines are safe for these vulnerable folks, new research shows. The study included 187 transplant recipients who received an initial dose of either the Moderna or Pfizer mRNA vaccines between Dec. 16, 2020 and Jan. 16, 2021.…  read on >  read on >

Cancer-causing human papillomavirus (HPV) is considered a sexually transmitted infection, but a new study shows that many babies are born carrying the virus in their mouths. “In brief, HPV infection can be acquired at early age or even at birth,” said lead researcher Dr. Stina Syrjanen, head of oral pathology and oral radiology with the…  read on >  read on >

Any American will be able to get a coronavirus vaccine by April, the nation’s leading infectious diseases expert predicted Thursday. During an interview on the “Today Show,” Dr. Anthony Fauci said that month will be “open season” for vaccinations, as increased supplies of the vaccines will allow most people to get shots to protect against…  read on >  read on >