Dr. John C. Knudsen M.D.

Rheumatoid arthritis is a long-term autoimmune disorder, typically results in warm, swollen, stiff and painful joints. Aside from pain in the joints and other tissues, oral, pharyngeal, and esophageal motility disorders are also common in patients with RA. In fact, difficulty swallowing, also known...

The neurons in the brain can interchange and alter genes, scientists have found. This interference can expand what the brain’s proteins can do, but it also might be a reason for Alzheimer’s. ...

Sleep apnea and COPD usually come together as overlapping illnesses. Sleep apnea is also known as Obstructive Sleep Apnea or OSA and Chronic obstructive pulmonary disease is known as COPD for short. These are two very common pulmonary diseases that are individually attained but most of the time...

What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

IntroductionAlthough doctors have the best intentions, it does not always mean that they will perfectly recognize their patient’s greatest need. For this reason, patients also need to take an active role when it comes to communicating with their doctor.One of the best ways to make sure that...

Introduction Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Pyrexia is one of the most common symptoms of numerous medical conditions.There are multiple factors can affect the normal body...