Dr. Mark Arden Pierce MD

Recommended Articles

• Brown Recluse Spider: Bites, Symptoms, and Pictures

  What is a brown recluse spider?A brown recluse spider is notorious for its appearance and poisonous bite. It is the most common brown spider that can be found in the Central and Southern regions of the United States. Brown recluse spiders feed on other insects like cockroaches and caterpillars (both...

• Is There a Window Period to Test for HIV?

  HIV is a virus that attacks and slowly destroys the immune system of the body. Once the virus gets into the body, it gets incorporated in the bloodstream and destroys white blood cells in the immune system. The immune system is a natural system that protects the body from infections. HIV is found in...

• Chronic Lyme Disease

  Chronic Lyme disease is also known as persistent Lyme disease. It occurs in a patient who has been treated with antibiotics but continues to show signs and symptoms of the disease. This disease is also known as post-treatment Lyme disease. According to the Centers for Disease Control and...

• What Causes HIV?

  HIV (human immunodeficiency virus) is a viral disease that can be passed and spread by a number of ways including sexual contact and childbirth if the pregnant mother is infected. HIV is a disease that destroys the body's immune system, and it is considered a sexually transmitted disease...

• The Symptoms and Treatment of Toxoplasmosis

  What is toxoplasmosis?Toxoplasmosis is a parasitic infection caused by a parasite called Toxoplasma gondii, which is found in humans and some types of animals. Although this parasite can infect all warm-blooded animals, it tends to only reproduce in the gut of felids, such as domestic cats and...

• How Does Convalescent Plasma Therapy Work?

  Thanks to the clinical trials that have been carried out to find a solution for fighting the novel coronavirus, the statistics of recovered patients in the world are slowly rising. Worldwide, we have a 25% recovery rate. Although that is still far beyond our target which is 100%, we should still...