Heart Attack Archive

Men without evidence of low testosterone levels (hypogonadism) who use testosterone appear to face a higher risk of serious cardiovascular problems and death from all causes than men who use testosterone replacement therapy for documented hypogonadism, according to a 2026 study.

For people with excess weight, type 2 diabetes, and heart disease, using the GLP-1 drug tirzepatide (Mounjaro, Zepbound) may lower the risk of heart attack, infection, and death from any cause more than taking an older drug, sitagliptin (Januvia), according to a 2026 study.

Three types of exercise (aerobic, a combination of aerobic and muscle-strengthening exercise, and high-intensity interval training) may be most effective for lowering blood pressure in adults with hypertension, according to a 2026 review article.

A number of physiological changes driven by the body’s internal clock help explain why heart attacks are more common in the morning. These changes include factors involved in blood pressure, blood clot formation, and inflammation.

All adults should get a lipoprotein(a) blood test at least once in their lifetime, according to the 2026 cholesterol guidelines. Also known as Lp(a), these fatty particles are similar to LDL (bad) cholesterol but more dangerous.

An enlarged heart has many possible causes, including conditions that force the heart to work harder than usual (such as chronic high blood pressure or heart valve problems) and different types of cardiomyopathy (heart muscle disease).

The scientific understanding of HDL cholesterol has evolved in recent years, and many cardiologists now believe that HDL may be more of a bystander rather than a "good guy" that helps lower heart disease risk. While some types of HDL are great at plucking excess cholesterol from LDL and artery walls (a process referred to as reverse cholesterol transport) other types of HDL don't do this. In clinical trials, medications to raise HDL levels-including a drug specifically designed to improve reverse cholesterol transport-have not succeeded in lowering heart attacks and strokes.

High temperatures raise risk for heat exhaustion and heat stroke, and also stress the cardiovascular system, making the heart work harder. If you have a heart condition, here's how to keep cool and protect yourself when temperatures rise.

After a heart attack, a cardiac rehab program comprised of supervised exercise, lifestyle coaching, and emotional support can reshape daily habits and lower the odds of future trouble.

An analysis shows less than 7% of adults in the US meet the criteria for optimal cardiometabolic health. Taking small steps to help control and improve key risk factors can reduce the odds of a heart attack or stroke.