Dr. Karen york-mui Yung poon MD

Recommended Articles

• What Is Cyanosis and Why Does It Occur?

  IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

• Don't Be Ashamed of Your Gray Hair

  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...

• Is Hand Sanitizer Safe to Use?

  Hand sanitizer has alcohol, like ethyl alcohol, as the active ingredient to provide the antiseptic effect. In addition, it may also contain a variety of fragrances, glycerine, and water. Sanitizers containing alcohol are ideal for preventing most of the bacterial and viral infections. But these may...

• Causes, Treatment, and Prevention of Petechiae

  Petechiae are tiny dots that appear as red, brown, or purple in color beneath the skin. They are usually seen in clusters on the stomach, buttocks, arms, and legs. However, they may also appear inside the mouth or on the eyelids. Petechiae may indicate different conditions, which can range from...

• What is a Good Drink to Consume When I Workout?

  It goes without saying that exercise is key to good health. Having the right kind of food and drinking adequate fluids also help in achieving this goal. Taking good amount of nutrients helps to give the power for the workout and also for repairing the muscles after the workout. But all of us have...

• Is My Diarrhea Caused by Irritable Bowel Syndrome?

  What is irritable bowel syndrome (IBS)?Irritable bowel syndrome (IBS) is a common gut disorder. Irritable bowel syndrome (IBS) is unlike inflammatory bowel disease and differs from other bowel conditions. It is a group of several symptoms such as abdominal pain, bloating, cramping, constipation,...