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The major types of stroke are ischemic (when an artery to the brain becomes blocked) and hemorrhagic (when an artery in the brain leaks blood or breaks open).

For most people with high blood pressure, a doctor will develop a treatment plan that may include heart-healthy lifestyle changes alone or with medicines. Heart-healthy lifestyle changes, such as heart-healthy eating, can be highly effective in treating high blood pressure.

Sickle cell disease is an inherited disease caused by defects, called mutations, in the beta globin gene that helps make hemoglobin.

Cardiac catheterization takes place in a catheterization laboratory, or cath lab, which is similar to a small operating room. A long thin tube called a catheter is inserted via a needle, guidewire, and sheath into a blood vessel leading to the heart.

The most common cause of high blood cholesterol is an unhealthy lifestyle. However, the genes that you inherit from your parents, other medical conditions, and some medicines may also cause high blood cholesterol.

Cystic fibrosis is an inherited disease caused by mutations in a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

Changes to the heart’s tissue and to its electrical signals most often cause atrial fibrillation. When the heart’s tissue or signaling is damaged, the regular pumping of the heart muscle becomes fast and irregular.

Signs and symptoms of pulmonary hypertension are sometimes hard to recognize, because they are similar to those of other medical conditions. People may have symptoms for years before being diagnosed with pulmonary hypertension. These symptoms may get worse over time and could eventually lead to serious complications such as right heart failure.

In all types of sickle cell disease, at least one of the two abnormal genes causes a person’s body to make hemoglobin S. When a person has two hemoglobin S genes (hemoglobin SS), the disease is called sickle cell anemia. This is the most common and often most severe type of sickle cell disease. Hemoglobin SC disease and hemoglobin S? thalassemia are two other common types of sickle cell disease. Hemoglobin SD and hemoglobin SE are much less common.

Most people who have asthma are treated with daily medicine, called long-term control medicines, along with inhalers containing medicine for short-term relief during an asthma attack or when symptoms worsen.