Dr. M. Cris Johnson M.D.

Recommended Articles

• Melatonin Health Benefits and Uses

  What is melatonin?In order to synchronize one's biological clock (wake-sleep cycle), the hormone melatonin has to be discharged. This customary wake-sleep cycle is about 8 hours of sleep for most people and 16 hours of wakefulness. In the United States, melatonin can be given as an over-the-counter...

• Ringworm in Dogs: Symptoms, Causes, Treatment, and Prevention

  What is Ringworm? Ringworm is a fungal skin disease. The fungi live on the skin surface and skin follicle. They feed on dead skin tissue and hair. The most predominant fungus that can cause ringworm is Microsporum canis, which can affect the superficial layer of hair, nails, and skin. Medically,...

• Potential Causes of Leukopenia

  IntroductionA decrease in the number of white blood cells (WBCs) is referred to as leukopenia. There are several causes for leukopenia. It may be due to certain drugs, cancer, radiation and chemotherapy for cancer, stem cell transplant, surgery, steroids, or autoimmune disorders. The immune system...

• Study Finds 3% of Pediatric Non-Hodgkin Lymphoma Cases Are Transplant Recipients

  Lymphoma is a blood cancer that affects both children and adults.Lymphoma begins its growth in the lymphatic white blood cells of the lymph system. This system is a major warrior in fighting off infections and diseases. It is part of the body’s immunity team.The lymph system loops throughout the...

• How Is Leukemia Diagnosed?

  Leukemia in its early stages may present no signs or symptoms, as these only appear when the leukemia cells have taken over a large number of normal blood cells. A person with leukemia is very lucky indeed if early-stage detection occurs incidentally, through a routine blood test or one done for...

• Purpura

  PurpuraPurpura refers to purple-colored spots that are usually seen on the skin, including mucous membranes and other organs. It is also called skin hemorrhages or blood spots.Purpura is usually recognized when there is pooling of blood under the skin due to ruptured small blood vessels. The size of...