• The immune system loses its ability to tell the difference between foreign materials and its own cells.

    VOA: special.2010.06.15

  • The Northwestern University researcher took part in a study that found a way to turn off the immune system in mice with arthritis.

    VOA: special.2010.03.16

  • Newer drugs attempt to suppress only one small part of the immune system, not all of it.

    VOA: special.2009.04.14

  • If the immune system weakens at any point, they begin to spread and then attack.

    VOA: special.2009.03.25

  • Autoimmune diseases affect the immune system C the body's natural defenses for fighting disease.

    VOA: special.2009.04.14

  • Allergies are abnormal reactions of the immune system in response to otherwise harmless substances.

    VOA: special.2009.07.28

  • Autoimmune diseases affect the immune system, the body's natural defenses for fighting disease.

    VOA: special.2010.06.15

  • Those diseases affect the immune system the body's natural resistance to disease.

    VOA: special.2009.11.24

  • Some drugs can be a problem because they suppress the immune system.

    VOA: special.2009.04.14

  • The immune system is supposed to protect the body.

    VOA: special.2010.11.16

  • In South Africa the virus, which weakens the immune system, is transmitted primarily through unsafe sex.

    VOA: standard.2010.04.26

  • They also may use immunotherapy -- getting the body's immune system to fight the cancer.

    VOA: special.2010.07.06

  • She says the chimpanzee tissue showed a severe loss of immune system cells.

    VOA: special.2009.09.08

  • The sad thing is that the majority of people that are killed by malaria are children because there immune system is not strong enough to ward off this infection."

    VOA: special.2009.12.22

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