There have now been more than 40 million cases of COVID-19 recorded among Americans, according to a database maintained by The New York Times. That’s nearly one-fifth of the global total of cases. With the Delta variant of the SARS-CoV-2 virus cutting a swathe through the United States, and about 47% of the eligible population…  read on >  read on >

Sit. Fetch. Stay. Detect seizure. Yes, you read that correctly. While many dogs are adept at following basic instructions such as “sit” and “roll over” with some practice and the promise of a treat, new research shows dogs can detect seizures by scent up to an hour before they occur, potentially saving their human’s life.…  read on >  read on >

Early retirement may sound appealing, but a recent study hints that putting it off a few years might help older adults retain more of their mental sharpness. Using data on more than 20,000 older Americans, researchers estimated that if all of those people waited until age 67 to retire, their collective cognitive health would benefit.…  read on >  read on >

Nicotine-laden e-cigarettes raise a user’s risk of blood clots, damage small blood vessels and can also raise heart rate and blood pressure, a new study finds. The effects are similar to those caused by traditional cigarettes, and raise the concern that long-term vaping could help cause heart attacks or strokes, the Swedish research team warned.…  read on >  read on >

An alliance of leading U.S. cancer centers has updated guidance about COVID-19 vaccine boosters for cancer patients and the people around them. The National Comprehensive Cancer Network’s new recommendations are intended for health care providers. “COVID-19 can be very dangerous, especially for people living with cancer, which is why we’re so grateful for safe and…  read on >  read on >

Twenty years on from the terrible event itself, weight loss may reduce the risk of lung disease among 9/11 first responders, a new study suggests. “Our findings should reassure World Trade Center first responders that there are steps they can take to protect their lungs even decades after exposure,” said co-lead author Dr. Sophia Kwon.…  read on >  read on >