Pfizer Inc. announced Tuesday that it has asked the U.S. Food and Drug Administration to authorize its two-dose COVID vaccine for emergency use in children under 5 while it continues to research the power of a third shot in these youngest Americans. If the FDA grants the request, the two-shot regimen would become the first…  read on >  read on >

Suicides by drug overdose have increased among teens, young adults and seniors, even as they declined for the overall population, U.S. federal researchers say. Drug-related suicides declined for Americans in general during the latter part of the 2010s, researchers from the U.S. National Institute on Drug Abuse (NIDA) found. But rates of suicide by overdose…  read on >  read on >

A return to non-contact physical activity three days after a concussion is safe and possibly even beneficial for kids, a Canadian clinical trial finds. “Gone are the days of resting in a dark room,” said study co-author Andrée-Anne Ledoux, a scientist at the Children’s Hospital of Eastern Ontario Research Institute in Ottawa, Canada. The new…  read on >  read on >

The placenta was designed by nature to keep baby both nourished and safe. Now, research reveals how it protects the developing fetus from a new foe: The virus that causes COVID-19. “The placenta is one of the few ‘success stories’ of the pandemic,” said study co-author Dr. Elizabeth Taglauer, an assistant professor of pediatrics at…  read on >  read on >

Many American teens and young adults underestimate the risk of sexually transmitted infections from unprotected oral sex, and that’s especially true of young men, a new survey shows. Doctors say oral sex can transmit herpes, gonorrhea, chlamydia, syphilis, HIV and human papillomavirus (HPV), which can lead to cervical cancer, and head and neck cancers. While…  read on >  read on >

As the number of U.S. children with COVID-19 continues to surge, there are a number of things parents should know, a pediatric infectious disease expert says. “What used to be the average number of children with COVID for the whole hospital is now the average just for the intensive care unit,” said Dr. Jessica Ericson,…  read on >  read on >

So, you’re pregnant and battling nausea every day. What harm could come from smoking a joint to settle your stomach? Plenty, according to a new study that suggests women who use pot while expecting put their infants at risk for some serious health problems. The problems included premature birth, small size and low birth weight,…  read on >  read on >

Telling people to isolate in a bedroom when COVID-19 strikes may not be enough to keep the virus from spreading to others in the household, a new study suggests. Airborne coronavirus particles were found both inside and outside the rooms of people with COVID-19 who were supposed to be self-isolating at home, according to researchers…  read on >  read on >