David Humphrey Drenning M.D.

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...

Sudden cardiac arrest is one of the most common causes of death due to cardiac diseases. Sudden cardiac arrest refers to the sudden loss of heart function, resulting in death. It is different from a heart attack in that the latter is caused by a blockage in one of the vessels that supplies the walls...

Although heredity and age can contribute to the demise of a healthy heart, there are still some precautions you can take to prevent heart disease. Some precautions include:1. SmokingSmoking has a profound effect on an individual's blood pressure, and it can also cause blood clots. A smoker may also...

What is Statins?Statins are drugs prescribed by a doctor to lower cholesterol in the blood. Elevated amounts of cholesterol in blood may result in life-threatening conditions, like heart attacks and strokes.  This type of drug is normally prescribed based on cholesterol levels after a blood test....

Lupus is a chronic auto immune condition that affects many systems in one's body. Cutaneous lupus erythematosus is one type of lupus. Cutaneous lupus can be divided into three main categories:...

Deep vein thrombosis, or DVT, is characterized by the formation of clots, or thrombus, in one or more of deep veins in the body. Clots may develop in different parts of the body, like arms or chest, but are more commonly seen in the legs. DVT is a serious condition as the blood clot may move to...