Pneumonia Articles

• Immune System
  Lymphoma
  Human Biology
  Diseases and Conditions
  Developmental Biology
  Lupus
   
  

  Immune system

  The immune system is the system of specialized cells and organs that protect an organism from outside biological influences. (Though in a broad sense, almost every organ has a protective function - ... > more
• Sports Medicine
  Healthy Aging
  Heart Disease
  Attention Deficit Disorder
  Pregnancy and Childbirth
  Obesity
   
  

  Conjoined twins

  Conjoined twins are twins whose bodies are joined together at birth. This happens where the zygote of identical twins fails to completely separate. Conjoined twins occur in an estimated one in ... > more
• Bacteria
  Microbiology
  Microbes and More
  Extreme Survival
  Biotechnology and Bioengineering
  Infectious Diseases
   
  

  Bacteria

  Bacteria (singular: bacterium) are a major group of living organisms. Most are microscopic and unicellular, with a relatively simple cell structure lacking a cell nucleus, and organelles such as ... > more
• Sickle Cell Anemia
  Anemia
  Lymphoma
  Leukemia
  Healthy Aging
  Diseases and Conditions
   
  

  Sickle-cell disease

  Sickle cell disease is a general term for a group of genetic disorders caused by sickle hemoglobin (Hgb S). In many forms of the disease, the red blood cells change shape upon deoxygenation because ... > more
• Influenza
  Bird Flu
  Bird Flu Research
  Infectious Diseases
  Cold and Flu
  Healthy Aging
   

  Pandemic

  A pandemic is an epidemic (an outbreak of an infectious disease) that spreads worldwide, or at least across a large region. There have been a number of significant pandemics in human history, ... > more
• Stroke Prevention
  Heart Disease
  Elder Care
  Diseases and Conditions
  Hypertension
  Disability
   

  Stroke

  A stroke or cerebrovascular accident (CVA) occurs when the blood supply to a part of the brain is suddenly interrupted. In brain tissue, a reduction of blood flow, cerebral ischemia, leads to an ... > more
• Infectious Diseases
  Attention Deficit Disorder
  Healthy Aging
  Sports Medicine
  Heart Disease
  Cystic Fibrosis
   

  Bacterial meningitis

  Bacterial meningitis is a condition in which the dural layers lining the brain (the meninges) have become inflamed. The classic symptoms of bacterial meningitis are similar to those of other forms of ... > more
• Sports Medicine
  Healthy Aging
  Allergy
  Menopause
  Diseases and Conditions
  Attention Deficit Disorder
   

  Toxic shock syndrome

  Toxic shock syndrome (TSS) is a rare but potentially fatal disease caused by a bacterial toxin. Different bacterial toxins may cause toxic shock syndrome, depending on the situation. The causative ... > more
• Influenza
  Bird Flu Research
  Bird Flu
  Cold and Flu
  Virology
  Infectious Diseases
   
  

  Spanish flu

  The Spanish Flu Pandemic, also known as La Grippe Espagnole, or La Pesadilla, was an unusually severe and deadly strain of avian influenza, a viral infectious disease, that killed some 50 million to ... > more
• Brain Injury
  Disorders and Syndromes
  Intelligence
  Brain Tumor
  Neuroscience
  Accident and Trauma
   

  Traumatic brain injury

  Traumatic brain injury (TBI), traumatic injuries to the brain, also called intracranial injury, or simply head injury, occurs when a sudden trauma causes brain damage. With mild TBI, the patient may ... > more

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