Healthy, older adults free of heart disease need not fear that bouts of rapid, irregular heartbeats brought on by vigorous exercise might increase short- or long-term risk of dying or having a heart attack, according to a report by heart experts at Johns Hopkins and the U.S. National Institute on Aging (NIA)...

Fear of dangerous strangers in inner-city neighbourhoods is keeping kids and teens from using playgrounds and parks to be physically active. Researchers in the Faculty of Physical Education and Recreation at the University of Alberta, led by Nick Holt, looked at perceived opportunities and barriers to physical activity in an inner-city neighbourhood in Edmonton.