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.
Confidence votes 182. A deficiency disease is caused by lack of some nutrient, or essential component for proper bodily functioning. It means that an individual is not getting some really important vitamin or mineral.This can lead to severe consequences for growth, health, or proper bodily activities.onfidence votes 182. A deficiency disease is caused by lack of some nutrient, or essential component for proper bodily functioning. It means that an individual is not getting some really important vitamin or mineral.