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).
Active immunity involves the production of ANTIBODIES. Passive immunity is that conferred by antibodies derived from another person or animal and injected or received across the placenta or in the breast milk. Passive immunity is much less persistent than active immunity. immunity resistance to foreign ANTIGENS such as a virus. Immunity can be either active, in which the body produces its own IMMUNE RESPONSE after exposure to a pathogen or a vaccine, or passive in which ready-made antibodies are supplied in a serum (or obtained naturally from the mother).