Mold can be deadly--if you eat enough of it or if your immune system is compromised.
The virus itself is very common but only causes the disease when the immune system is damaged.
Keeping a strong immune system is important for preventing other "opportunistic" infections, such as tuberculosis, taking hold.
Tuberculosis can lie dormant in a person for years and then strike when the immune system is weak.
The immune system is "phenomenally complicated, " says oncologist Jeffrey Weber of the H.
This is because their immune system is able to keep the bacteria in check and prevent it from growing.
The situation is further complicated by the fact that Chavez's immune system is already weakened from cancer, he said.
And now, my question is this, now people with HIV, their immune system is compromised, meaning that they're more susceptible to MRSA, right?
"If your immune system is very efficient, it will try to attack the dead worms" that the medicine kills, Katabarwa explained.
The immune system is one of the more complicated parts of the body and doctors are only beginning to understand its intricacies.
My immune system is a little low and it's taking my body a bit more time to recover from it usually would.
Lupus can lie dormant for long periods of time--the idea was that Benlysta only works if the immune system is actively attacking the body.
In the face of a real viral infection it may mean that the attention of the immune system is diverted letting a bacterial infection in.
On occasion, the immune system is primed to attack the embryo because it contains genetic material from the father, which can be interpreted as foreign.
Researchers reported fresh evidence Wednesday that using gene therapy to manipulate the immune system is emerging as a promising new strategy in the fight against cancer.
With many diseases, the immune system is able to recognise the invading bacteria as foreign and launch an attack, sending special defence cells to latch onto and destroy.
The most likely explanations are that the immune system is unable to clear the infection completely or that the site is peculiarly susceptible to reinfection, causing more damage each time.
I've now been told I have no allergy but chronic ordinary urticaria which basically means my immune system is rubbish and anything could trigger a reaction of various degrees at anytime.
BBC: Children with allergies 'being let down': Your comments
Rockefeller University researcher Jeffrey Ravetch has shown that antibody drugs like Herceptin no longer work well in lab mice when the portion of the antibody that flags the immune system is damaged--even through they still bind perfectly well to the tumor.
If they're taking protease inhibitors and they're on their drugs and their immune system is fairly healthy, they're not going to be terribly susceptible to MRSA. We see MRSA infections when the immune system is pretty depleted, either in people with HIV or some other diseases.
So now - so you have HIV and then because their immune system is compromised that MRSA has the ability to take hold in the person with HIV more - it's more likely that the MRSA will take hold in the person with HIV than a non-HIV person, right?
The immune system work is part of a new twist on the war on cancer.
Cancer cachexia appears to be caused by chemicals given off by the tumor or by the patient's immune system that is trying to combat the tumor.
Tissue cloned in this way from the patient's own cells would not, it is thought, be rejected by the body's immune system, which is currently a major obstacle to organ transplants and many other treatments.
ECONOMIST: To clone or not to clone, is that the question? | The
Type I diabetes is thought to be an "autoimmune" disease in which the body's own immune system - which is meant to fight foreign threats like bacteria - turns on the cells in a gland called the pancreas.
It is a cancer of the lymphatic system, which is a part of the immune system that consists of a series of ducts or tubes that parallel the arteries and veins throughout the body.
CNN: What is Hodgkin lymphoma's effect on the lymphatic system?
Another alternative, the EIA test, which detects substances produced by the chlamydia bacteria that trigger the immune system or immune system chemicals produced in response, is less complex.
Even if the trial is not specifically designed to look at either skin or immune system side effects, it is likely to turn them up if they exist.
Using the immune system to attack cancers is one of the most promising areas in cancer.
In theory, the medicines could affect the immune system, because a receptor on immune cells is very similar to DPP-4.
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