Dr. Edward J. Yang M.D.

What is a persistent cough?It can be annoying to have a cough that lasts for more than a couple of weeks. A cough is considered chronic or persistent if it does not go away after four weeks in children and eight weeks in adults. However, most persistent coughs are due to colds, flu, infection, or...

Lyme disease is a bacterial infection that transmitted to human beings through ticks. Usually, getting this disease means that you will be sick for a very long time. Some people spend their entire lives living with the disease. The good news is that you can treat the disease within two years.Lyme...

What are Allergies?An allergy is basically a disorder of the immune system response that leads to certain symptoms, such as coughing, sneezing, watery eyes, and a runny nose. When the immune system reacts to a foreign substance, such as dust mites, pollen, pet dander, bee venom, or any kind of food,...

Whenever a patient undergoes any medical procedure, one has to get time to recover from it and get back to life with a better outlook and a healthier body. Immunotherapy is designed to help an individual combat certain diseases, and in order to do that, there is a need for an introduction of...

Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...

For a long time, it has been part of cultural knowledge that exposure to sunlight can help treat eczema. Now, it is medically agreed that eczema can be treated using UV light. But does this mean that you should go out and get yourself sunburnt?To answer this question, first, you have to consider the...