Charles R Cannan MD

High blood pressure, also known as hypertension, refers to the increased pressure exerted on the walls as blood passes through arteries. Normal blood pressure is measured as 120/80 mm Hg. Pressure in the range of 120/80 and 139/89 mm Hg is referred to as pre-hypertension, and those above the higher...

IntroductionOrthopnea is the medical term used when referring to the occurrence of dyspnea (shortness of breath) when you are lying flat. This symptom is often a sign of heart failure. However, orthopnea can also be due to other health conditions. Dyspnea (shortness of breath) is not the same with...

Citrus fruits, like oranges and grape fruit, contain a compound that may reduce the risk of stroke in women, according to a study published in the American Heart Association journal, Stroke. Many of the earlier studies had shown the beneficial effect of antioxidants, like flavonoids, present in...

What is sarcoidosis?Sarcoidosis is an inflammatory disease, which is characterized by the growth of granulomas or tiny collections of inflammatory cells in various parts of the body. When the immune system is slowed down and when these numerous clumps form, they tend to interfere with the organ’s...

What is lightheadedness?Lightheadedness or feeling faint may not always be a cause for concern. However, it may also indicate an underlying health problem and can increase the risk of falling and fall-related injuries. If you feel lightheaded, drink water or fluids containing electrolytes and take...

Congestive Heart Failure is also called as heart failure, CHF, cardiac failure, left sided heart failure or right sided heart failure. It is a condition in which the heart's function to contract and pump blood is inadequate to meet the needs of the body and the lungs. The blood from the right...