Many tweens and teens are filling prescriptions for opioids far in advance of surgeries unlikely to be associated with severe pain afterward, a new study says. Worse, a significant minority continue to fill those opioid prescriptions three to six months after surgery, a sign of possible addiction, researchers found. “Our study found that these patients…  read on >  read on >

Restrictive gun laws can decrease suicide rates among children and teenagers, but they don’t seem to lower their risk of being murdered, a new study says. States with laws requiring safe storage of firearms and mandatory waiting periods had lower suicide death rates among kids younger than 18, researchers report. However, no gun laws appeared…  read on >  read on >

New research offers what could become a surprising way to diagnose whether a child has autism: Simply check the makeup of their gut microbiome. In a study published July 8 in the journal Nature Microbiology, scientists analyzed more than 1,600 stool samples from children ages 1 to 13 and found several distinct biological “markers” in the…  read on >  read on >

Expectant mothers who get vaccinated to protect their newborns against respiratory syncytial virus (RSV) are not putting themselves or their babies at risk, new research affirms. It found that getting the shot during late pregnancy was not associated with increased odds of preterm birth or other outcomes. The difference in preterm birth rates between vaccinated…  read on >  read on >

Cannabis use during pregnancy might affect the way a child’s brain develops after birth, a new study says. Brain imaging of children exposed to cannabis in the womb has revealed patterns consistent with reductions in brain inflammation, researchers reported July 4 in the journal Nature Mental Health. Too much reduction in inflammation in a child’s…  read on >  read on >