Dr. Jennifer Wanda Mccallister MD

Systemic lupus erythematosus (also known as lupus) is a condition that usually affects women. It occurs as a result of antibodies or lymphocytes generated against substances that exist in the body. Approximately one out of 2,100 people has the condition.Women are five times more vulnerable to...

As a firefighter, Wes Loucks received countless emergency phone calls throughout his 32 years of service for the Portland Fire and Rescue Bureau. After retiring, he received a personal call for help from his own family. His two grandsons were both born with cystic fibrosis (CF), a chronic genetic...

Legionella bacteriaLegionnaires' disease is a type of pneumonia that is in its most severe form. The disease occurs due to a bacterial infection caused by a bacteria called legionella and mainly results in the inflammation of the lungs. The bacteria are known to thrive commonly in areas such as...

Can COPD Develop in Children?By definition, COPD is a serious lung condition that has developed over a long period of time. Numerous studies explained that children cannot have COPD; however, the disease process can begin at a young age.One can observe the symptoms associated with COPD in a child,...

When Anne and Mike Preston began their plans to start a family, they went to a doctor to run tests just as a precaution. Anne’s test results came back that she was a carrier of cystic fibrosis (CF), but she was told not to worry because her husband would have to be a carrier as well. The chances...

Asthma refers to the chronic inflammatory disease of the respiratory system. The causes for asthma differ depending on the individual. During an asthma attack, the airways become narrow, inflamed, and begin to fill with mucus. This makes breathing a difficult task, and leads to coughing and...