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Genetic testing may be performed to look for carriers, as well as to screen relatives of people who have cystic fibrosis.

The types of angina are stable, unstable, microvascular, and variant. The types vary based on their severity or cause.

Las personas que tienen la anemia de células falciformes tienen hemoglobina anormal, llamada hemoglobina S o hemoglobina falciforme, en sus glóbulos rojos. La hemoglobina es una proteína en los glóbulos rojos que transporta el oxígeno por todo el cuerpo. Las personas que tienen la anemia de células falciformes heredan dos genes de hemoglobina anormales, uno de cada padre.

Pneumonia can be very serious and even life-threatening. Vaccines can help prevent some types of pneumonia. Good hygiene (washing your hands often), quitting smoking, and keeping your immune system strong by getting regular physical activity and eating healthy are other ways to lower your risk of getting pneumonia.

Atherosclerosis is a disease in which plaque builds up inside your arteries. Arteries are blood vessels that carry oxygen-rich blood to your heart and other parts of your body.

Age, race, gender, certain medical conditions—high blood pressure, diabetes, brain aneurysms, and heart diseases—smoking, and family history can raise your risk for a stroke.

The first step toward heart health is understanding your risk of heart disease. Your risk depends on many factors, some of which are changeable and others that are not. Risk factors are conditions or habits that make a person more likely to develop a disease. These risk factors may be different for each person.

Dos de los principales factores de riesgo de enfermedad cardíaca son la presión arterial alta y el colesterol alto en sangre. Si cualquiera de estos números es alto, trabaje con su médico para que alcance un rango saludable.

At first, COPD may cause no symptoms or only mild symptoms. As the disease worsens, common signs and symptoms include an ongoing cough (with or without mucus), shortness of breath, wheezing or whistling when breathing, and chest tightness.

An aortic aneurysm may not cause any signs or symptoms until the aneurysm ruptures or dissects. The types of symptoms that occur before a rupture will depend on the location of the aneurysm and whether it has become large enough to affect other parts of your body. An aneurysm that ruptures or dissects is life-threatening.