(coffeekai/iStock via Getty Images) Exposure to air pollutants – even at levels below World Health Organization air quality guidelines – may trigger a heart attack within the hour, according to a new study from China that found the risks were highest among older people and when the weather was colder. The study found exposure to…

(janiecbros/E+ via Getty Images) Over the past decade, marijuana use, both recreational and medicinal, has grown as state governments across the U.S. have legalized its use. But while it might be legal for adults to light up, the question of whether it is harmful or helpful in many cases remains unanswered. Researchers say the truth…

(Oliver Rossi/Stone via Getty Images) People taking part in the historic Framingham Heart Study are living longer and with less risk of having a heart attack, stroke or dying from coronary heart disease, according to a new analysis that underscores the power of prevention, screening and treatment efforts. Scientists have known for decades about the…

(Sebastian Kaulitzki/Science Photo Library via Getty Images) Nearly 1 in 4 adults worldwide has an abnormal buildup of fat in the liver, placing them at higher risk for heart disease, according to a new science report that encourages more screening for the condition. Heart disease is the leading cause of death for people with non-alcoholic…

(NSA Digital Archive/iStock via Getty Images) A new set of recommendations aimed at helping doctors prevent and manage heart failure expand the focus on people at risk or showing early signs of the condition. The latest guidelines from the American Heart Association, American College of Cardiology and Heart Failure Society of America emphasize the importance…

(John Lund/Stone via Getty Images) More than two-thirds of people who have a type of heart attack not caused by a blood clot also may have undiagnosed heart disease, according to a small study from Scotland. The study, published Monday in the American Heart Association journal Circulation, focused on people who had what’s known as…

(American Heart Association) The death rate for people who have a tear in a major artery coming out of the heart – aortic dissection – has been rising over the past decade, especially among women and Black adults, new research shows. And while death rates for women increased faster, older men continued to face an…

Jen Hale is an NFL sideline reporter for Fox Sports TV and for the NBA’s New Orleans Pelicans. (Photo courtesy of Fox Sports) Rodney Hale didn’t want anyone to worry. He knew something was wrong with his heart. But if he told his wife and kids, they’d fear the worst. After all, his brother had…

(Pogonici/iStock, Getty Images) People with bipolar disorder, schizophrenia or schizoaffective disorders may have a higher risk for cardiovascular disease at younger ages than those without a serious mental health condition, according to new research. “Previous research has indicated that people diagnosed with a serious mental illness die 10 to 20 years earlier than the general…

(Malte Mueller, Getty Images) Eating too much food containing sulfur amino acids – primarily found in proteins such as beef, chicken and dairy – may increase a person’s risk of cardiovascular disease and death, according to new preliminary research. Sulfur amino acids are essential for metabolism and overall health, but the average person in the…