Dr. David Robert Buyer M.D.

The swelling of the feet, legs, and ankles is also known as peripheral edema. This refers to a condition where there is an excessive accumulation of fluid in these parts of the body. It is not a painful condition unless the underlying cause for it is an injury to that area. However, it is a very...

The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...

Acute bronchitis may not cause any complications if it occurs the first time in a person. It usually goes away by taking proper rest after about two to three weeks. However, if bronchitis is left untreated, it can affect the respiratory system and damage the airways and lungs. Because of this...

IntroductionBruises, also known as contusions, appear due to certain types of trauma. Bruises are formed when the body’s soft tissues are injured due to bumps, twists, fall, or blow to the body. This injury causes tiny blood vessels and small veins to break and release red blood cells (RBCs)...

Developing gray hair is inevitable in everyone's life time. "The color of the hair changes when the pigment-producing cells stops the production of the pigment," says Jeffrey Benabio, MD, a dermatologist at Kaiser Permanente in San Diego. The color may also be bleached by the build up of naturally...

Kidney stones are a condition that affects around 15 percent of the world's population. For reasons unknown, the condition's prevalence has increased over the last 30 years. Kidney stones more often affect men than women. What are kidney stones?Kidney stones or renal lithiasis is the formation of...