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  2. Etonogestrel - Wikipedia

    en.wikipedia.org/wiki/Etonogestrel

    The Jadelle system contains two silicone rods mixed with levonorgestrel. In 1990 De Nijs patented a co-axial extrusion technique of ethylene vinylacetate copolymers and 3-keto-desogestrel (etonogestrel) for the preparation of long-acting contraceptive devices, such as Implanon, Nexplanon and Nuvaring. [60]

  3. Effects of parasitic worms on the immune system - Wikipedia

    en.wikipedia.org/wiki/Effects_of_parasitic_worms...

    The immune system extends this response to its treatments of self-antigens, softening reactions against allergens, the body, [9] and digestive microorganisms. [15] As the worms developed ways of triggering a beneficial immune response, humans came to rely on parasitic interaction to help regulate their immune systems.

  4. The 6 Best Foods for Your Immune System, According to ... - AOL

    www.aol.com/6-best-foods-immune-system-214051917...

    Manage Stress: The NIH states that chronic stress can weaken immune function by increasing cortisol levels, which suppress immune cell activity. Best recommends stress management techniques like ...

  5. Immune system - Wikipedia

    en.wikipedia.org/wiki/Immune_system

    The ability of the immune system to respond to pathogens is diminished in both the young and the elderly, with immune responses beginning to decline at around 50 years of age due to immunosenescence. [ 112 ] [ 113 ] In developed countries , obesity , alcoholism , and drug use are common causes of poor immune function, while malnutrition is the ...

  6. Immunodeficiency - Wikipedia

    en.wikipedia.org/wiki/Immunodeficiency

    Immunodeficiency, also known as immunocompromisation, is a state in which the immune system's ability to fight infectious diseases and cancer is compromised or entirely absent. Most cases are acquired ("secondary") due to extrinsic factors that affect the patient's immune system.

  7. Opportunistic infection - Wikipedia

    en.wikipedia.org/wiki/Opportunistic_infection

    Immunodeficiency or immunosuppression are characterized by the absence of or disruption in components of the immune system, leading to lower-than-normal levels of immune function and immunity against pathogens. [1] They can be caused by a variety of factors, including: Malnutrition; Fatigue; Recurrent infections

  8. Contraceptive implant - Wikipedia

    en.wikipedia.org/wiki/Contraceptive_implant

    A contraceptive implant is an implantable medical device used for the purpose of birth control.The implant may depend on the timed release of hormones to hinder ovulation or sperm development, the ability of copper to act as a natural spermicide within the uterus, or it may work using a non-hormonal, physical blocking mechanism.

  9. Antibody-dependent cellular cytotoxicity - Wikipedia

    en.wikipedia.org/wiki/Antibody-dependent...

    Antibody-dependent cellular cytotoxicity. Antibody-dependent cellular cytotoxicity (ADCC), also referred to as antibody-dependent cell-mediated cytotoxicity, is a mechanism of cell-mediated immune defense whereby an effector cell of the immune system kills a target cell, whose membrane-surface antigens have been bound by specific antibodies. [1]