What Diseases Affect The Immune System?

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Definition

Smallpox is a serious and contagious disease that causes a rash on the skin.


Alternative Names

Variola - major and minor; Variola


Causes, incidence, and risk factors

Smallpox was once found throughout the world, causing illness and death wherever it occurred. It mainly affected children and young adults. Family members often infected each other.

There are two forms of smallpox:

  • Variola major is a serious illness that can be life threatening in people who have not been vaccinated
  • Variola...
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How Does the Immune System Respond to Sleep Deprivation?

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What is the study? Researchers from the Netherlands and UK looked at the white blood cells of 15 healthy young men after getting adequate sleep, and then after being severely sleep deprived.   Source: Medical News Today How did...