Dr. David Raymond O'brien M.D., M.S.

Recommended Articles

• What Is Indigestion? Get the Facts

  Indigestion, also known as heartburn, is a common term used to describe the discomfort or pain felt in the upper abdomen just below the ribs. It is not a disease. It is merely a symptom and it can be just another symptom of many digestive problems. The main complaint of those who experience...

• What Is Campylobacter Infection: Causes and Treatment

  Campylobacter InfectionOne of the main causes of diarrhea is Campylobacter. It is also one of the major causes of foodborne illnesses. When it infects the gastrointestinal tract, it can cause cramps, fever, and diarrhea. Campylobacter infections can be prevented by good handwashing habits and food...

• Syphilis: How Does It Affect Men and Women?

  Syphilis is a sexually transmitted disease that affects both men and women. The most common locations for the chancre to appear are in the penis, vagina, anus, and even in the oral cavity. There is not much difference in men and women as far as symptoms, diagnosis, and treatments are concerned....

• Chronic Knee Pain: What Are the Causes, Symptoms, and Treatment?

  Chronic knee pain is a long-lasting pain in the knees that is associated with swelling and stiffness. Typically, a knee pain lasts for more than three months. There are several causes of chronic knee pain and this article will focus on its causes, symptoms, diagnosis, and treatment.What is...

• Prevention of Croup

  Croup is a viral infection that causes swelling of the airway. As a result, the airway becomes narrower, making it difficult to breathe. It is also accompanied by an irritation in the larynx (voice box) and trachea (windpipe). This condition is also known as laryngotracheobronchitis because the...

• What Are the Risk Factors for Lung Cancer?

  A risk factor could be any one of numerous influences that make you prone to developing cancer. There are unavoidable factors that you have no protection against. Some of these are a family history of genetically inherited traits, and age and gender issues. There are wholly avoidable factors such...