Dr. Carl R Duncan M.D.

Recommended Articles

• Does the Pertussis Vaccine Have Any Contraindications and Side Effects?

  Pertussis is an infection of the upper respiratory system. The disease is highly contagious and spreads through the coughing and sneezing of an infected individual. This highly contagious and airborne disease is caused by the bacteria called Bordetella pertussis. The symptoms of pertussis typically...

• What Are the Signs and Symptoms of Sinusitis?

  Sinusitis occurs because of the infection of the sinuses or cavities of the nasal passage, causing an inflammation and swelling of the tissue lining them. The usual cause is a virus, and the infection persists even when the upper respiratory symptoms have disappeared. Bacteria or fungi can also...

• What Are the Different Stages of Syphilis?

  Syphilis is a bacterial disease that is dangerous if not diagnosed early and treated. It is an infectious disease that spreads through sexual contact. It has 4 major stages but not all people go through these 4 stages. Still, it is important to get proper treatment.  Syphilis has 4 stages in its...

• What Causes Lower Back Pain?

  Basically anyone can experience lower back pain but studies have shown that adults of age 30 to 60 years tend to have a higher chance of experiencing back pain. Nevertheless, no one is safe from lower back pain.Lower back pain can be caused by a variety of problems with any parts of the complex,...

• Is Mumps Preventable?

  Mumps is a highly contagious infection caused by a certain virus. It can easily be spread from one person to another; therefore, prevention is very important. The MMR vaccine is the surest way to prevent mumps. Common symptoms associated with mumps include painful inflammation on the cheeks or...

• What are the Signs and Symptoms of Testicular Cancer?

  Cancer is an unhealthy condition in which the cells of a part of the body rapidly divide and thrive without an apparent cause. These abnormally growing germ cells clump together, forming a buildup of tissue called a tumor that sets it apart from normal healthy tissue. When this happens in the...