No. It's possible to have a heel spur â a bony growth that usually begins on the front of your heel bone and points toward the arch of your foot â without realizing it. Heel spurs don't always cause pain. In fact, heel spurs often show up unexpectedly on X-rays taken for some other problem.
Immune suppression: Article Excerpts about Immune deficiency conditions. The immune system is a complex and highly developed system, yet its mission is simple: to seek and kill invaders. If a person is born with...(Source: Genes and Disease by the National Center for Biotechnology).
What is the diffÃ©rence entre primary and secondary immune deficiency? primary: name given to chronic diseases caused by hereditary or genetic disorders of the immune system. Secondary immunodeficiencies or acquired more common than primary deficits, are immune system problems that are not genetic and which are caused by external factors. This question is archived.