Jon A Robken M.D.

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

According to new research, calcium supplements are usually taken by elderly people and post-menopausal women to prevent their bones from thinning. Now, it may increase the risk of a heart attack. Researchers suggest that these drugs should be taken with caution.Some of the earlier studies reported...

What is cholesterol?Cholesterol is primarily produced in the liver, which makes approximately 1,000 milligrams of cholesterol per day. However, it can also be produced by the cells lining the small intestines and also by each cell present in the body. Abnormally low cholesterol levels would mean...

A new study has shown that muscle damage due to a heart attack can be corrected by stem cell treatment. This included a small number participants, but they have shown that stem cell treatment is an effective method to help patients recover from a heart attack. The study was directed by Eduardo...

Ischemia refers to the condition in which the muscles of the heart do not get an adequate supply of oxygen. This mostly happens because of reduced blood flow to the cardiac muscles either due to complete blockages or due to a partial block in the blood vessels that carry blood. This condition, also...

Atrial fibrillation refers to irregular heart rhythm with rapid heartbeat that affect the blood flow in the body.  In this condition, the irregular heartbeat starts in the upper chambers of the heart, the atria. The irregularity in the heart beat results from the problem in the electrical system of...