Gary B. Marcus M.D.

Introduction Tachypnea is a medical term, which means rapid and shallow breathing. This condition is often confused with hyperventilation, which is another type of abnormal breathing that is characterized by rapid but deep breathing. Both conditions are caused by carbon dioxide buildup in the...

What is a persistent cough?It can be annoying to have a cough that lasts for more than a couple of weeks. A cough is considered chronic or persistent if it does not go away after four weeks in children and eight weeks in adults. However, most persistent coughs are due to colds, flu, infection, or...

Through closed vessels the closed circulatory system transports blood. This includes the arteries, veins, and the capillaries. Blood vessels that start from the heart are arteries and vessels that carry blood back to the heart are veins.ArteriesArteries are located deep in the body and have thick...

Living with high blood pressure is never easy. You have to watch yourself constantly with the knowledge that your body is malfunctioning. Most of the people who are diagnosed with this condition become depressive and lose the will to live. You have to know that even if you are diagnosed with high...

How Do High Cholesterol Levels Affect the Heart?Cholesterol is not that bad for our body – it has several important functions and is needed in moderate amounts. This compound is required to make new cells in the body, protect neurons, and also produce hormones. But when the amount of cholesterol...

The American Heart Association released a new statement stating that there is no conclusive evidence to support the relationship between gum disease and heart problems, and that treating gum disease can improve heart conditions. Gum disease is a major contributor to tooth loss and decay in adults....