Heart Health Archive

People with low blood pressure, which is defined as consistently having a reading lower than 90/60 mm Hg, sometimes feel dizzy or lightheaded during or after exercise. But modifying your exercise routine and taking simple precautions can help.

Daily low-dose aspirin can lower the risk of a second heart attack in people who’ve already had one. For people without a history of heart attack, the risk of dangerous bleeding usually outweighs any potential heart-related benefit from taking low-dose aspirin.

In July 2026, the FDA approved enlicitide (Lipfendra), a pill that lowers harmful LDL cholesterol by nearly 60%. It is the first pill version of a class of injectable LDL-lowering drugs known as PCSK9 inhibitors.

An aortic dissection, a tear in the body’s largest artery, typically causes sudden, severe pain in the chest, back, or abdomen. This uncommon condition is most likely to occur in people with a thoracic aortic aneurysm, a bulge in the section of the aorta closest to the heart.

Using an AI algorithm on a coronary computed tomography angiogram can quantify the type and amount of plaque in the heart’s arteries. But whether that information can help prevent more heart attacks remains to be seen.

Cardiac amyloidosis is a rare heart condition that causes the walls of the heart to become thick, stiff, and unable to pump normally. Three FDA-approved medications for the most common form, ATTR-CM, slow disease progression and extend life.

People who have a low coronary artery calcium score (between 1 and 99) have signs of early heart disease. Current guidelines recommend taking a statin, with a goal of lowering LDL cholesterol by at least 30%.

Exercising more without eating less is often unsuccessful for people trying to lose weight. Despite this, exercise can still improve blood pressure and cholesterol levels.

Heart block is a slowdown or blockage of the electrical signals that travel from the upper to lower chambers of the heart. People with third-degree heart block (the most serious form) nearly always need a permanent pacemaker.

A 2026 review found conflicting evidence regarding the links between cannabis and heart-related problems, including heart attacks, stroke, coronary artery disease, and heart failure. The most consistent association was between cannabis use and heart rhythm problems.