A new report of immune system decline with aging seems to be just as valid for cases of "AIDS" among those who are not old:
QUOTE: ...The atrophy of the thymus, a small gland at the base of the neck where T cells mature, is one of the most obvious signs of the age-related decline of the immune system. This decline becomes significant towards the age of 50. It is caused not only by a decreased output of T cells from the thymus, but also by a decreased ability to recognize new antigens. The result is an increased susceptibility to infection as well as a lowered resistance to the immunosuppressive effects of chemotherapy... UNQUOTE.
Source: http://www.sciencedaily.com/releases/2008/07/080722114201.htm
Note that stress of various kinds can cause thymus atrophy. This is not an issue about being old, chronologically, so much as it is about how stress can affect the body over time. |
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