There are roughly 6,500 spoken languages in the world today. However, about 2,000 of those languages have fewer than 1,000 speakers. The most popular language in the world iâ¦s Mandarin Chinese. There are 1,213,000,000 people in the world that speak that language.
The following medical conditions are some of the possible causes of Immune deficiency. There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Primary immune deficiency. 2  Other types of immune deficiency.3  Cancer patients (type of Immune deficiency conditions) - chemotherapy can cause immune deficiency. 4  Severe emotional disorders.ther medical conditions listed in the Disease Database as possible causes of Immune deficiency as a symptom include: 1  Acute lymphoblastic leukemia. 2  Acute myeloid leukemia. 3  Adenosine deaminase deficiency. 4  Alemtuzumab. 5  Anakinra. 6  Ataxia telangiectasia. 7  Atypical mycobacteriosis, familial. 8  Autoimmune polyendocrine syndrome type 1.
Cause. Although it's not known what causes IgG deficiency, genetics may play a role. IgG deficiency is also thought to be related to another immunoglobulin deficiency, because it often occurs in people who are also deficient in immunoglobulin A (IgA deficiency) and immunoglobulin M (IgM deficiency).gG Deficiencies. When your body feels it is threatened or under attack, it makes special proteins called immunoglobulins, or antibodies. These antibodies are made by the plasma cells. They are released throughout the body to help kill bacteria, viruses, and other germs.