Dr. David L Johnston DO

Recommended Articles

• All About Skin Abrasions

  What is an abrasion?An abrasion is an open wound caused by the skin coming into contact with a rough surface, rubbing away the upper epidermal layer of the skin. The parts of the body that are more prone to abrasions are thin-skinned bony areas, such as the elbows, knees, ankles, shins, and upper...

• 14 Warning Signs of Lupus

  When the body attacks its own cells and organs including the skin, joints, kidneys, heart, lungs, blood, and brain, the condition is called lupus. It is an autoimmune disease brought about because the body can’t distinguish between healthy cells and foreign germs or viruses. It is a chronic...

• Is Sinusitis Preventable?

  One of the leading reasons why individuals visit their doctors is sinus pain. According to research, approximately 37 million American citizens get symptoms for sinusitis like thick nasal discharge, sinus pain, and nasal congestion. That figure is on the rise due to an increase in pollutants and...

• What is an Exercise-Induced Migraine?

  What is an Exercise-Induced Migraine?Exercises have been recommended by many doctors and lifestyle therapists as a healthy way of living. Unfortunately these exercises can have side effects such as migraines.Compromising on fitness is not often a preferred option but oft one chosen due to health...

• What Is Mycoplasma Pneumonia?

  HistoryIn 1944, Mycoplasma pneumonia was discovered in one patient that had “atypical” pneumonia. At first it was thought to be a fungus or a virus hence the name Mycoplasma, a Greek word meaning fungus was named. Eventually, it was learnt that it was a bacterium that had a distinct...

• 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...