Smog might raise a woman’s risk of miscarriage early in her pregnancy, a new study suggests. Chronic exposure seemed to increase that risk by more than 10 percent, according to researchers who tracked hundreds of pregnancies among couples in Michigan and Texas. “We found that both ozone and particles in the air were related to…  read on >

Despite safety warnings from drug regulators, some U.S. children are still being given a risky painkiller after having their tonsils removed, a new study finds. At issue is the opioid painkiller codeine. In 2013, the U.S. Food and Drug Administration issued a “black box” warning, advising doctors against prescribing codeine to children to control tonsillectomy…  read on >

Having a father with depression may put teens at a heightened risk for the mental health problem, a new study suggests. Previous research had linked depression in mothers and in their children. But according to the investigators, this is the first study to find such an association between fathers and their children, independent of whether…  read on >

If your child has cancer and is being treated by a team of specialists, frequent and open communication is essential. The American Cancer Society suggests how to talk with team members: Actively take part in your child’s care. Communication should be clear, direct and honest. Treat team members with respect. Provide thorough and accurate information…  read on >

A spike in the amount of time teenage girls in the United States spend online is a likely culprit behind the surge in rates of depression, suicide and contemplation of suicide, new research suggests. The finding stems from an analysis of fatal injury data collected between 1999 and 2015 by the U.S. Centers for Disease…  read on >

Getting kids to drink water with their school lunches could help keep their weight in check and save the United States billions in obesity-related costs, a new study contends. Researchers calculated the effects of going nationwide with a program piloted in 1,200 New York City schools between 2009 and 2013. Placing water dispensers in school…  read on >

CPR can be performed by sixth graders, a new study suggests. Some states require hands-only CPR training for high school graduation, but teaching younger children has not been a focus of training efforts, the researchers explained. “We were wondering why they need to wait until 12th grade when sixth graders have learned the circulation system…  read on >

FRIDAY, Nov. 10,They’re pickier tenants than you’d think: Bugs are ideally looking for carpeted, airy, ground-floor residences in wealthier neighborhoods, and pets and even filth aren’t really so important. So finds a meticulous new study of the insect life in 50 urban homes in Raleigh, N.C. One surprise: There was a greater diversity of insect…  read on >

The human papillomavirus (HPV) vaccine, first developed to help guard against cervical cancer, also seems to protect against a rare, chronic childhood respiratory disease, a new study suggests. It’s believed that the disease — recurrent respiratory papillomatosis — occurs in children when HPV type 6 or 11 spreads from mother to child around the time…  read on >

As if the idea of teen cyberbullying isn’t harrowing enough, a new study warns of a strange twist in which kids anonymously post hurtful messages — to themselves. The worry is that this digital self-harm — like traditional self-harm — may be a harbinger for suicide down the road, the study authors said. In the…  read on >