Dr. Katharine Sue Nelson MD

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

The pathogens involved in pneumonia are bacteria, virus, fungus, rare parasites, and other microorganisms. Virus is the most common cause of pneumonia among babies and children. Adults with weak immune systems are vulnerable to bacterial pneumonia.Pneumonia Causing pathogens:The pathogens that cause...

There are a number of triggers that can cause eczema flare-ups. Most patients will identify these on their own and possibly take steps to avoid them. However, whether diet can cause eczema flare-ups is still a bone of contention.For a long time, it had been held as an unprofessional myth or...

What is rheumatoid arthritis (RA)?Rheumatoid arthritis is an autoimmune disease, wherein the immune system mistakenly attacks the joints leading to stiffness, pain, and inflammation. Gradually, RA can lead to physical deformities. Rheumatoid arthritis is known to affect around 2 million Americans....

Sublingual immunotherapy, which is abbreviated as SLIT, is an alternative treatment method for allergies without the use of injections. SLIT involves the administration of allergens in small doses to patients to boost their tolerance to the chemicals, thereby reducing their symptoms. Allergic...

Mold is a type of fungus that can cause severe allergic responses when the spores are inhaled. The fungi feeds on dead and decayed organic matter. They grow rapidly and produce small spores that spread through the wind. Molds are often found in cool and damp places, like basements, rotting leaves,...