New insight into a rare and dangerous disorder that can occur in kids with COVID-19 could improve treatment of the condition, researchers say. Many children infected with SARS-CoV-2 (the virus that causes COVID-19) go undiagnosed or have no symptoms, but about one in 1,000 develop a condition called multisystem inflammatory syndrome in children (MIS-C) within…  read on >  read on >

Scientists report they have pinpointed 64 regions in the DNA of humans that increase a person’s risk of bipolar disorder, more than twice the number previously identified. The researchers, who called this the largest investigation of bipolar disorder to date, also discovered overlap in the genetic roots of bipolar disorder and other psychiatric disorders. They…  read on >  read on >

Getting heart failure patients into cardiac rehabilitation sooner rather than later after a hospitalization is tied to a better prognosis, new research shows. “Typically, cardiac rehabilitation programs require patients to be stable for six weeks after a hospitalization,” explained cardiologist Dr. Benjamin Hirsh, who wasn’t connected to the new research. “This study challenges this rule…  read on >  read on >

A simple surgery may help lower the risk for strokes by more than a third in patients with atrial fibrillation, a common irregular heartbeat, a new trial finds. The reduction in stroke risk is achieved by blocking the left atrial appendage, an unused, finger-like tissue that traps blood in the upper chamber of the heart…  read on >  read on >

In new evidence that illustrates that health issues rarely exist in a vacuum, a new study finds a link between heart health and brain function. Existing evidence suggests that having heart disease raises one’s risk of dementia, and vice versa, but a team of researchers based in London wanted to find out if this connection…  read on >  read on >

Just as some elderly drivers need to give up their car keys, older gun owners may eventually face “firearm retirement.” And a preliminary study suggests they are open to the idea. In focus-group interviews with older gun owners, researchers found that many had considered putting limits on their firearm access — though they usually hadn’t…  read on >  read on >