John Tan

Recommended Articles

• Lyme Disease: Making a Diagnosis

  Lyme disease is an infectious disease caused by four different species of bacteria. In Europe and Asia, it spreads through Borrelia afzelii and Borrelia garinii, while in the USA, it spreads through Borrelia burgdorferi and Borrelia mayonii. The disease is transmitted to humans via a common...

• AIDS How to Stick with Your Medication Schedule

  AIDS How to Stick with Your Medication ScheduleOverviewSometimes following through can be difficult and hard to make happen. Following a schedule for just about anything is hard but when you follow a schedule about taking medicine it can become even harder. It is really hard for people to follow...

• 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...

• 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...

• 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...