Nitrous oxide, better known as laughing gas, has been used as an anesthetic during surgery since the 19th century. Though it is widely used to this day, some studies linking it to a risk of heart attack have questioned its safety.

Actor James Gandolfini died from a heart attack at age 51 Wednesday while in Italy, according to his managers and HBO. HBO broadcast "The Sopranos," in which Gandolfini starred as Tony Soprano.

Even without having a stroke, people can have slight or fleeting stroke symptoms. Although some can seem harmless, these signs can be linked to thinking and memory problems to come.

Your abdominal aorta supplies blood to all major abdominal organs and the legs. If it becomes blocked, not only may organs and legs suffer, it can be a harbinger of a future heart attack. Spotting such blockage can warn doctors of this risk in their patients.

Certainly a preschooler who eats a lot of sugary food and drinks many sugary beverages is eating poorly. But how they eat may make as much difference to their health as what they eat.

The more doctors know about your body, the better they understand your risk for different conditions. By establishing an open relationship with your doctor, they can better address health issues, including conditions such as high blood pressure in kids.

Millions take diclofenac to relieve the pain of arthritis and other ailments. The European Medicines Agency, however, has issued a warning that this medication may raise heart attack risk.

Traditionally, acute chest pain meant a hospital stay for evaluation. Using a stress cardiac MRI in the emergency department offers an alternative that may improve outcomes for patients.

The number of different diets available can make a person dizzy. Two popular types are low fat diets and low carbohydrate diets. Is one better than the other?

Not getting enough oxygen during sleep can cause problems. This is the situation for many untreated sleep apnea patients. And one of those problems could affect the heart.