Dr. Jon G Mclennan M.D.

Rheumatoid arthritis (RA) is an autoimmune disease in which the body’s immune system mistakenly attacks the joints. This situation creates inflammation that causes the tissue that lines the inside of joints (the synovium) to thicken, resulting in swelling and pain in and around the joints.Whenever...

Discovered in the 1980s in Western and Central Africa, HIV is a virus and at the same time an infection. HIV stands for human immunodeficiency virus. It is a virus that gets into the bloodstream and slowly attacks the human immune system. The immune system is a naturally occurring system in the body...

Traffic exhaust or second hand smoke are sure to trigger a number of lung issues, particularly if you are susceptible to respiratory disorders. However, there are a number of very common, yet hidden, triggers in one's household that can lead to symptoms of asthma and other respiratory ailments.There...

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...

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...

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...