Dr. William Kennedy Dolen M.D.

What are Allergies?An allergy can be defined as a hypersensitive response of the immune system to certain substances that come in contact with the body or enter the body. For example, pollen, any food substance, or venom may cause allergic reactions. The substance that is known to cause an allergy...

What is immunotherapy?Immunotherapy is a type of cancer treatment that is categorized under biological therapy or treatment. It involves the use of living tissues or cells to improve your body’s defense system (the immune system) to help fight cancer.How does immunotherapy work?Immunotherapy is...

Seasonal allergies are very common in the United States, especially during the fall. Just like spring and summer allergic reactions, fall allergies may also cause a number of symptoms that may make you wary of going out to have some fresh air.Some of the common causes of fall allergies include:...

In the early 19th to the 20th century, parents would have been surprised to know that future generations would be free from childhood diseases. Diphtheria was then one of the most common diseases that took the lives of thousands of children, while polio left thousands of children crippled. Measles...

The chance of getting infected by Lyme disease from a single bite depends on the type of the tick, how long it has been attached, and where it is acquired from. There are many types of ticks and not all of them can cause Lyme disease. The symptoms of Lyme disease are rash, fatigue, fever, facial...

Pollen grains from flowers are the main cause for spring allergies. When pollen enters an individual's nasal cavities, particularly in those who are allergic to them, it stimulates the immune system to react in an allergic response. Antibodies produced by the immune system start attacking the...