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Existen muchos factores que juegan un papel en la preparación de su cuerpo para conciliar el sueño y despertarse. Su cuerpo tiene varios relojes internos, llamados relojes circadianos. En general, estos relojes siguen un ritmo repetitivo de 24 horas, llamado ritmo circadiano. Este ritmo afecta a cada célula, tejido y órgano de su cuerpo y cómo funcionan.

Conditions that damage or overwork the heart muscle can cause the heart to weaken, including coronary heart disease, diabetes, high blood pressure, other heart conditions, and other factors.

Your treatment plan depends on how severe your disease is, the severity of your symptoms, and any other health conditions you may have. Possible treatments for coronary heart disease include heart-healthy lifestyle changes, medicines, or procedures such as coronary artery bypass grafting or percutaneous coronary intervention.

If you have known risk factors for developing an aortic aneurysm, your doctor may recommend screening. To screen for an aortic aneurysm, your doctor may recommend an imaging study to look at and measure the aorta. An aneurysm can develop and grow without any symptoms until it ruptures or dissects—events that are both life-threatening. If the aneurysm is found early, treatment or surgery may slow its growth and prevent rupture or dissection.

The exact cause of asthma is unknown, and the causes may vary from person to person. However, asthma is often the result of a strong response of the immune system to an allergen in the environment.

COPD, or chronic obstructive pulmonary disease, is a progressive disease that makes it hard to breathe. In the United States, the term COPD includes two main conditions—emphysema and chronic bronchitis.

Sickle Cell Disease – Screening and Prevention People who do not know whether they carry an abnormal hemoglobin gene can ask their doctor to have their blood tested. Sickle Cell Anemia, Hemoglobin S or SS disease, Sickling disorder due to hemoglobin S

Taking steps to ensure a healthy pregnancy might prevent your newborn from being born before his or her lungs have fully developed.

The respiratory system helps you breathe. The main parts of the respiratory system are the lungs, the airways, and the muscles that enable breathing. The circulatory system, which is made up of the heart, veins, arteries, and capillaries, brings blood to and from the lungs and delivers nutrients and oxygen to tissues of the body while removing carbon dioxide and waste products. Other body systems that work with the respiratory system include the nervous system, lymph system, and immune system.

Taking steps to ensure a healthy pregnancy might prevent your newborn from being born before his or her lungs have fully developed. Your doctor may also give you injections of a corticosteroid medicine if he or she thinks you may give birth too early. This medicine can speed up development of the lungs, brain, and kidneys in your baby and surfactant production.