Dr. David Lee Johnson M.D.

Recommended Articles

• Yawning Scientific Facts: Why Do We Yawn and Is It Contagious?

  What is yawning?Usually, yawning is associated with boredom, fatigue, and tiredness. Yawning is also very common in animals, such as dogs, monkeys, snakes, and carnivores. Yawning is also associated with numerous superstitious beliefs.In humans, yawning is considered as a purposeful non-verbal...

• These Conditions Can Cause Dyspnea

  OverviewDyspnea is the clinical term for shortness of breath or breathlessness experienced by both healthy individuals and patients with respiratory or cardiovascular diseases. It can also be a temporary condition that quickly resolves on its own or a symptom of a more serious health condition. A...

• What Is a Lower Back Pain with Sciatica?

  Lower back pain is a common problem experienced by most people at some point during their lifetime. There are several causes for lower back pain with sciatica, and the intensity of pain can range from dull to quite severe. Men and women are equally affected by this condition. Most cases of back pain...

• What Are Histamine Blockers and How Do They Work?

  What are histamine blockers?Histamine blockers also called as antihistamines are medications that block or reduce histamine to stop the symptoms of allergy. Histamine is a chemical that is released by a type of white blood cell called mast cell in response to allergies or injuries. The cells that...

• What Is G6PD Deficiency?

  Introduction G6PD is actually an enzyme and G6PD deficiency occurs when there is a deficiency of this enzyme. This condition is not fatal, but in acute as well as in the chronic breakdown of red blood cells, it causes a spectrum of complaints such as jaundice. This condition is inherited and a...

• Treatment for Meningitis

  The severity of meningitis varies from one person to another. In common cases, medications can help solve the problem and the person may recover within 1 to 3 weeks. But in cases where there is a risk of the infection spreading to the meninges, hospitalization and other confirmation tests might be...