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).
The immune system has the power to destroy cancerous cells, as they develop. Every day your immune system clears the body's waste disposal system, ridding dead cells, toxic chemicals, dead bacteria, etc. Radiation and chemical pollutant effects are minimised by the immune system when working effectively.