New studies add to the extensive body of research showing the many risks that lead poses to youngsters. The association between lead exposure and children’s IQ is well-documented, but these University of Pennsylvania studies revealed how lead affects children’s stress responses and behavior. One study found a significant association between lead exposure in early childhood…  read on >  read on >

Smoking during pregnancy does not directly cause attention deficit hyperactivity disorder (ADHD) in children, according to a new paper that challenges a widely held belief. “Our systematic review shows that there is no causal effect between maternal prenatal smoking and offspring ADHD diagnosis,” said lead author Elis Haan, a former research associate at the University…  read on >  read on >

If you’re one of the many people with long COVID, an expert offers advice on how to tackle it. The first step: Give yourself time to recover. “One thing we have seen repeatedly is that patients push themselves too hard while trying to recover. It makes sense. Everyone is so eager to ‘get back to…  read on >  read on >

As doctors learn more about COVID-19 infection, they are finding that in rare cases, it appears tied to a disturbing eye condition. Retinal vein occlusion is a blockage of the small veins that carry blood away from the retina, which causes blurred vision. It usually occurs in people suffering from diabetes, atherosclerosis, high blood pressure,…  read on >  read on >

People who suspect they may have COVID-19 could soon find out with a simple breath test that delivers results in three minutes. On Thursday, the U.S. Food and Drug Administration granted an emergency use authorization for a device called the InspectIR Covid-19 Breathalyzer. The test, which must be administered by a trained operator, demonstrates a…  read on >  read on >

Life would be much better for farm animals if children were in charge, a new British study suggests. Unlike adults, children believe farm animals should be treated the same as people and pets, and children are less likely to view eating animals as morally acceptable. The study included 479 people in England from three age…  read on >  read on >