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Doctor insights on: What Do White Blood Cells Do In The Immune System

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Can a casual blood test reveal if your immune system is weak or has been compromised? Will the blood contain more white blood cells?

Can a casual blood test reveal if your immune system is weak or has been compromised? Will the blood contain more white blood cells?

No, but...: Despite all the "pop" stuff from people trying to sell you something on the internet, "weak / compromised immune system" as understood by today's science is uncommon. If you are hiv-, are not having severe fever blisters, candida surface infections, or bacterial infections unlike those that others suffer, you'll do yourself a favor by not letting these people frighten you. ...Read more

Dr. Angelica Balingit
349 doctors shared insights

Blood Cells (Definition)

Blood cells are individual cells that are carried by blood to various organs. White blood cells fight infection. Red ...Read more


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With radiation, my mom's white blood cells have decreased.Please, how can she improve her immune system? naturally?...and not? thanks

With radiation, my mom's white blood cells have decreased.Please, how can she improve her immune system? naturally?...and not? thanks

Takes time: It may take awhile for her WBC to get back to normal and in the meanwhile keep her away from people who appear to be ill. ...Read more

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Can a full blood screen/complete blood count test show if my immune system isn't good? The doctor mentioned white blood cells would show something?

Can a full blood screen/complete blood count test show if my immune system isn't good? The doctor mentioned white blood cells would show something?

CBC: Your complete blood count measures the number and type of white blood cells, which are an important part of your immune system. If they are normal, you are unlikely to have a significant immune system problem (there are rare immune system abnormalities that do not show on your cbc). ...Read more

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Do white blood cells make you immune?

Do white blood cells make you immune?

Antibodies +: The immune system has two main arms controlled by two types of lymphocytes, t cells and b cells. B cells respond to antigens (such as on viruses) by making specific antibodies which bind to the antigens and identify them as foreign for other cells (macrophages) to destroy them. T cells respond to foreign antigens by destroying the cells which have them. Immunology is a complex science. ...Read more

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What types of white blood cells react to what during an immune response?

In general: Neutrophils are mobilized to combat bacterial processes and to help with tissue repair. By contrast, lymphocytes are important in viral processes and determination of self/ not self ie organ transplant rejection and other " invaders ". ...Read more

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I am Taking Mirtazapine 15mg is it true to say it can reduce your white blood cells and immune function so you are more susceptible to infections ?

I am Taking Mirtazapine 15mg is it true to say it can reduce your white blood cells and immune function so you are more susceptible to infections ?

Not typically: Remeron (mirtazapine) causing leukopenia is not a common occurrence and if occurring should stop. Periodically blood counts are checked. If there is a drop the medication is stopped. This is one of many medications can do this. Low counts over time can make you more susceptible to infecions but usually as part of another process. ...Read more

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I have all bloodwork known only diagnosis w/fibro. Hematologist bw shows low lymphocytes/white blood cells; could it be underlying immune?

I have all bloodwork known only diagnosis w/fibro. Hematologist bw shows low lymphocytes/white blood cells; could it be underlying immune?

Unlikely: I low lymphocyte count is common in normal people. If there are no clinical issues that suggest the presence of an autoimmune disease, the low count should not be a concern. ...Read more

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Can myelin injection treat MS, since the immune system is attacking myelin sheeth adding myelin in blood will keep WBC away from the nerves ,right?

Can myelin injection treat MS, since the immune system is attacking myelin sheeth adding myelin in blood will keep WBC away from the nerves ,right?

Wrong: This simply doesn't work. It's simplistic and in fact, you're asking for making the body more sensitive. Your body also makes attacking white cells to order when confortonted with something that it's sensitized to. Tolerization procedures exists for some autoimmune diseases and the whole are is fascinating. ...Read more

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I'm 23 years old, 6ft, 145lbs. I have a low white blood cell count. What does this lead to and how can I boost my immune system?

Low white blood cell: It really depends on how low your white blood cell count is. Simply having a low normal white blood cell count doesn't mean your immune system is not functioning. For many people the white blood cells are not in the blood vessels themselves but are out in the periphery and those people often times rarely get ill. Check with your doctor to see if your white blood cell count is worrisome or not. ...Read more

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When testing the immune system can bloods test. B cells t cells nk killer cells, what is the best way to test immune function in depth?

Good start: Yes, the parameters you mentioned can be tested easily, and there are numerous other tests which may help to assess "immune function" which can be utilized depending upon the clinical situation and indices of suspicion. You might see either an infectious diseases expert or an immunologist. Good luck. ...Read more

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