THURSDAY, Feb. 25, 2021 (American Heart Association News) — It doesn’t take a scientist to understand that laughter feels good, while anger feels awful. But it does take one to explain why one of these feelings can...

In a hopeful turnaround during a long pandemic, U.S. nursing homes that were once the epicenter of coronavirus infections are now seeing both cases and deaths fall steeply as the country’s vaccination rollout starts to take hold....

COVID-19 Vaccine Makers Planning for Variants Pfizer and BioNTech say they plan to update their original COVID-19 vaccine and also test a third booster shot in order to prepare for the possibility that new coronavirus variants may...

People with Alzheimer’s disease often have a history of depression or anxiety, which might mean an earlier emergence of memory and thinking problems, a preliminary study suggests. Researchers found that of 1,500 Alzheimer’s patients at their center,...

Contrary to what many believe, a new study finds that mental illness isn’t a factor in most mass shootings or other types of mass murder. “The findings from this potentially definitive study suggest that emphasis on serious...

Pregnancy-related high blood pressure can lead to long-term heart risks, new research shows. Compared to those with normal blood pressure during pregnancy, women who developed blood pressure disorders such as preeclampsia and gestational hypertension had significant differences...

Modern technology has unraveled an ancient mystery about the death of an Egyptian king. Computed tomography (CT) scans of the mummified remains of Pharaoh Seqenenre Taa II, the Brave, revealed new details about his head injuries not...

Stress is the No. 1 reason U.S. teachers left the profession before and during the COVID-19 pandemic, a new poll reveals. Nearly 1,000 former public school teachers were polled in December. Three-quarters said their job was often...

Dental hygienists have a low rate of COVID-19, even though their jobs are considered high-risk, a new study says. The U.S. Occupational Safety and Health Administration (OSHA) declared hygienists at high risk for COVID-19, so researchers decided...

It is an image as heartwarming as any: Young children giggling as the family dog climbs all over them and licks their faces. But new research suggests the bond may be more than playful. “The great news...