Michael J. Johnson M.D.

Recommended Articles

• E. coli and Urinary Tract Infections

  What is a urinary tract infection?The main function of the urinary system is to get rid of waste, maintain the body’s water balance, and regulate electrolytes. Its function starts with the kidneys, the organ that filter blood to produce urine, which is composed of extra fluid and wastes. Before...

• Croup in Adults

  Croup in AdultsAlthough croup is commonly observed in children who are 6 months to 3 years old, it is also possible for adults to get the infection in rare cases. Croup is a viral respiratory infection caused by human parainfluenza viruses (HPIVs). However, other causes of croup may include...

• Long Commutes May Lead to Poor Health

  A study published in, American Journal of Preventive Medicine, shows that people who commute long distances to work tend to have poor health. People who traveled more than 15 miles a day were more likely to be obese and had more belly fat, when compared to people who traveled less than 5 miles to...

• What Is a Drug Interaction?

  IntroductionAccording to the Centers for Disease Control and Prevention, more than 20,000 deaths annually happen due to unintentional drug poisoning. Moreover, the US Food and Drug Administration stated that four or more prescribed medications are concurrently taken by 40 percent of Americans,...

• Leukopenia: Symptoms, Causes, and Treatment

  What is leukopenia?White blood cells (WBCs) are an important part of the immune system, which is why they are called as "fighter cells". There are five different types of white blood cells (WBCs) in our body. They are neutrophils, eosinophils, basophils, monocytes, and lymphocytes. Each type of WBC...

• Leukocytes in Urine: What Does Leukocyte Esterase in Urine Mean?

  What are leukocytes?White blood cells (WBCs) are also called as leukocytes. They protect the body from infections by fighting foreign invaders such as viruses, bacteria, fungi, or parasites. Phagocytes and lymphocytes are forms of white blood cells (WBCs).Phagocytes engulf foreign particles like...