Despite improvements in treating heart attack patients needing emergency artery-opening procedures, delays still occur, particularly in transferring patients to hospitals that can perform the procedure, according to a study in Circulation: Journal of the American Heart Association.

A small group of veterans with spinal cord injuries who underwent a four-day scuba- diving certification saw significant improvement in muscle movement, increased sensitivity to light touch and pinprick on the legs, and large reductions in post-traumatic stress disorder (PTSD) symptoms, according to Johns Hopkins researchers.

The number of new lung cancer cases in the U.S. dropped among men in 35 states and among women in 6 states between 1999 and 2008, according to a new report by the Centers for Disease Control and Prevention (CDC). The decrease in women came after a decades-long upward trend.

A report released last week by the Centers for Disease Control and Prevention (CDC) gives new meaning to the idea that certain foods are bad for you.

The Asthma and Allergy Foundation of America (AAFA) is expressing “deep frustration” over President Obama’s decision to delay a new National Air Quality Standard for ground level ozone.

Infectious disease and disaster preparedness experts at Johns Hopkins Medicine say the premise of a new Hollywood movie should serve as a reminder that the United States needs to be prepared in case a fast-spreading deadly virus causes a serious national emergency.

While many jobs require physical activity, a growing number of Americans are engaged in sedentary work, leading to a greater risk of injury when we do move as well as a well-documented increase in obesity and related health problems.

The decline in smoking over the past five years is “encouraging news,” but more decisive action is needed to protect Americans from the health effects of tobacco, according to the American Heart Association (AHA).