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).
Tumour suppressor genes are genes that normally protect against cancer. They act as brakes and help stop cell growth and control cell death. If tumour suppressor genes are damaged, missing or otherwise don't work properly, cell growth, cell division and cell death (apoptosis) may not be controlled.