Radon, an invisible, naturally occurring radioactive gas, appears to raise a person’s risk of stroke, a new study suggests. Already known as the second leading cause of lung cancer, these new findings suggest exposure to radon can increase risk of stroke by as much as 14%, according to a report published Jan. 31 in the…  read on >  read on >

A new and worrisome antibiotic-resistant form of E. coli has been identified at a children’s hospital in China. Already, so-called ST410 strains of the E. coli bacterium — resistant to last-resort antibiotics called carbapenems — have become the most common drug-resistant strains seen in Chinese hospitals, according to British researchers. But a new, more virulent…  read on >  read on >

A walk in the woods appears to sharpen the mind better than an urban asphalt amble, a new brain scan study finds. People strolling through an arboretum at the University of Utah performed better on brain function tests than those who walked around an asphalt-laden medical campus, according to findings published recently in the journal…  read on >  read on >

Biogen, maker of the Alzheimer’s medicine Aduhelm, announced Wednesday that it would “discontinue the development and commercialization” of the controversial drug. Biogen will return the rights to Aduhelm to Neurimmune, the private firm that invented it, the company said in a statement. It’s a sobering new chapter for the drug, which first gained U.S. Food…  read on >  read on >

For people with schizophrenia hospitalized after a psychotic episode, getting a long-acting antipsychotic injection works far better than pills to keep them from returning to hospital care. That’s the finding of a new study from researchers at Rutgers University in New Brunswick, N.J. They found that injected antipsychotic meds — which provide continuous treatment from…  read on >  read on >