Dr. Rabih Hassan Hassan M.D.

What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

Running barefoot may be more beneficial than running with cushioned shoes, according to a study published in, Nature. Runners using cushioned shoes usually land on their heels when those running barefoot may land flat-foot or on the balls of their feet, say researchers. According to Daniel...

What Are Petechiae?Petechiae can be described as marks or blotches that normally appear on the skin and are tiny, round, and purplish or reddish in color. Petechiae are usually pinpoint-sized. Minor hemorrhage (bleeding that is localized below the skin) is the source of petechiae.Although they...

What is leukopenia?Leukopenia is a condition in which abnormally low white blood cells are circulating in the blood. This condition can be diagnosed using a blood test called complete blood count (CBC). A normal white blood cell count is usually between 3,500-11,000 WBCs per microliter. People...

Hiccups refer to the sudden spasms of the diaphragm, the muscle present at the base of the lungs that separates the chest and abdomen. These spasms result in the closure of the vocal cords, which produces the characteristic ‘hic’ sound of hiccups. Fortunately these bothersome contractions are...