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).
Stress and Immune Function. Short term suppression of the immune system is not dangerous. However, chronic suppression leaves the body vulnerable to infection and disease. A current example of this is AIDS-Acquired immune deficiency syndrome. Here the immune system is suppressed leaving the vulnerable to illness.