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Originally posted by Paresthesia
That's absolutely disgusting. I had a hard time believing this was real.
I feel like I'm going to gag.
I don't know if I can ever swim again.
They live in our bodies, even in our cells, and most of the time we do not even know that they are there. In fact, the brain can provide a pleasant, nurturing environment for many parasites, because it has structures that prevent many of the immune system’s cells from entering the brain, at least in the early stages of infection. Add to that plenty of oxygen and nutrients, and the brain seems like a rather nice place to live.
It is interesting to note that some of these symptoms, such as seizures, are caused not only by the presence of the brain parasites, but also by the immune system (White 2000). In general, parasites do not want to be detected by the immune system, because then they will most likely be eaten and killed. They try to do everything they can to avoid eliciting a strong immune response. Parasites also don’t want to do anything that can kill the host. If the host dies, then the parasites die too. For this reason, people can have parasites for years and not show any symptoms at all. But then as the larval defenses break down, the host immune system is able to have a greater effect, and the symptoms become more obvious. What does the host immune system do to defend against the parasites, and why does its actions elicit harmful effects on its own body?
Originally posted by djohnsto77
Originally posted by FudgeStix
Saw some pretty gross ones on 'Invasion of the Body Snatchers' (not the film ) where some people had huge maggots living in their heads...
Leucochloridium paradoxum does this in snails.
[edit on 4/7/2007 by djohnsto77]