More than 16 percent of women who did not survive after being diagnosed with early-stage breast cancer died from cardiovascular disease, according to a population-based cohort study.

A sample of 50 young, healthy adults found that wrist-worn heart rate monitors had variable accuracy and were not as accurate as a chest strap-based monitor. The heart rate monitors were best at rest and diminished during exercise.

Researchers involved in a JAMA Internal Medicine article published in October 2014 have acknowledged they made several errors and requested the original study be retracted and replaced.

Guidelines recommend measuring body mass index (BMI) to identify people who are at risk for cardiovascular disease, type 2 diabetes and all-cause mortality. Healthcare professionals almost always follow the suggestions and evaluate BMI, but is it a flawed metric to assess risk?

Adults with hypertension in middle age may have issues with cognitive function, particularly executive function and processing speed, according to a scientific statement from the American Heart Association.

A case-control study found that heavy physical exertion and anger or emotional upset were associated with first acute MIs in men and women in all regions of the world. The risk was highest among patients who had both heavy physical exertion and anger or emotional upset.

Valentin Fuster, MD, PhD, the director of Mount Sinai Heart in New York, has been named co-chair of the Committee on Global Health and the Future of the United States.

Boston Scientific hired Ian Meredith, PhD, as executive vice president and global chief medical officer.