There are two major forms of tuberculosis: latent, in which the infection is inactive and can't be spread to other people, and active, in which the infection is contagious. Of these, active tuberculosis is the more severe form. Patients who...
Tuberculosis is a chronic disease transmitted by the bacteria known as Mycobacterium tuberculosis. It is seen in the lungs but can also target other organs, including the kidneys and liver. A person is infected when they inhale air droplets...
Night sweats may be defined as excessive sweating while trying to sleep at night. Commonly, causes of night sweats are due to nonserious causes. However, in combination with other symptoms, night sweats could be due to something more serious, such...
The bone marrow is a tissue inside flat, irregular-shaped bones and the long bones. There is yellow bone marrow and red bone marrow. Yellow, only found in the long bones of adults, contains fat cells. Red bone marrow contains stem cells that give...
Human Immunodeficiency virus, or HIV, is a virus that attacks the body's immune system compromising its ability to fight off infections. Many people will not experience any symptoms for as many as ten years after infection, although both men and...
The three cancers that make up the majority of blood cancers are leukemia, lymphoma and multiple myeloma. In some cases, these diseases aren't detected until a patient has bloodwork done as part of a routine medical exam. In other cases, a patient...
Human immunodeficiency virus (HIV) damages the immune system by destroying specialized white blood cells that protect the body from infection. HIV causes acquired immunodeficiency syndrome (AIDS). According to the Centers for Disease Control and...
The late stages of human immunodeficiency virus, or HIV, infection usually occur 10 years after diagnosis, MayoClinic.com reports. This phase of the illness is characterized by serious symptoms that often meet the definition of acquired...
Leukemia, lymphoma and multiple myeloma are all types of blood cancer, where abnormal cells reproduce, leading to very high numbers of abnormal clones. Leukemia can be acute or chronic. Acute leukemia rapidly advances with its high number of...
When you are facing surgery, one of your biggest concerns beyond ensuring a successful procedure may be minimizing the scar that will remain. Some surgical wounds heal with skin buildup--keloid tissue--that can be not only unattractive, but also,...
Tuberculosis, or TB, is a highly contagious disease caused by the bacterium Mycobacterium tuberculosis. This bacterium can cause damage to the lungs as well as to other parts of the body. If improperly diagnosed or not medically treated, TB can...
The main types of lymphoma are Hodgkin's lymphoma and non-Hodgkin's lymphoma. Both types involve the cancer of organs whose function is to protect against disease and infections. There are several tests required to make the diagnosis, including...
Lymphoma is a cancer that develops in the lymphatic system. Lymphocytes, a type of white blood cell, circulate through the lymphatic system and fight infection. According to the National Cancer Institute, there are two major categories of...
The lymph nodes are small glands located in the neck, groin and underneath the arms that help clear pathogenic substances from the blood. Cancerous cell growth within the lymph nodes is a medical condition commonly referred to as lymphoma. The...
Lymphoma is a type of cancer that affect the lymphocytes, also called white blood cells. There are a number of white blood cell types that make up the immune system. Lymphomas are generally categorized based on the grade or aggressiveness of the...
Spleen lymphoma, also called splenic marginal zone lymphoma, is a condition in which cancerous cells grow within the spleen, bone marrow and blood. This rare disease is a type of non-Hodgkin lymphoma that begins within the spleen. People who...
Colon cancer is potentially curable if recognized early. Early detection depends on screening persons at risk and instituting the appropriate management. It is important not to wait on symptoms of the disease but rather to begin screening measures...
Follicular lymphoma--also called indolent follicular lymphoma--is a very slow growing (indolent) form of non-Hodgkin lymphoma. Lymphoma is a type of cancer that attacks specific immune cells called lymphocytes. This form of cancer accounts for 20...
Tuberculosis, or TB, is a very serious infectious disease that attacks the lungs. It is still a major cause of illness and death in the world, killing about 2 million people every year. TB can be cured by taking many medications over a few months,...
Approximately 25% of people who are infected with the human immunodeficiency virus, or HIV, have no symptoms and are not aware they have been infected. According to the CDC, a person can be infected for up to 10 years without experiencing any...
According to the Mayo Clinic, an estimated 39.5 million people worldwide are infected with HIV (human immunodeficiency virus). It is a virus that damages your immune system, slowly destroying it over the years, making your body unable to fight off...
The end-stage of human immunodeficiency virus (HIV) infection is known as acquired immunodeficiency syndrome (AIDS). According to the World Health Organization (WHO), 2 million people died from AIDS worldwide in 2008. The Centers for Disease...
The Human Immunodeficiency Virus, or HIV, is the virus responsible for causing AIDS. Individuals infected with HIV may not have any signs and symptoms initially, or they may mimic symptoms accompanying other illnesses, such as the flu. According...
Infection with the human immunodeficiency virus (HIV) may lead to many different signs and symptoms, but none of them are specific. That is, no specific single symptom or symptom complex indicates an HIV infection. According to the Centers for...
Olive leaf extract contains natural antimicrobials and antioxidants. A 1999 study by the University of Rome assessed the antimicrobial activity of oleuropein and hydroxytyrosol, two of the most viable ingredients in olive leaf extract. Both of...
The blood is a vital fluid within the body that contains all sorts of cells that carry oxygen and help fight against infection. Sometimes, the blood cells can grow at a rapid rate and wreak havoc on the body. Fortunately, a few blood cancer...
Non-Hodgkin's lymphoma is a cancer that affects the lymphatic system---a part of the body's defensive immune system. In the human body, the lymphatic system acts to filter out pathogens, such as viruses and bacteria, from your bloodstream.
Non-Hodgkin lymphoma is a term used to collectively describe more than 20 cancerous diseases that affect the lymphatic system. Over 65,000 people were estimated to be diagnosed with non-Hodgkin lymphoma in 2009, based on reports provided by the...
Chronic myelocytic leukemia, which is also referred to as chronic myelogenous leukemia or CML, is a type of cancer that affects the tissue within your bones (bone marrow). This disease is believed to result from a genetic abnormality associated...
Lymphoma is a cancer of the immune system in which cells called lymphocytes (T Lymphocytes and B Lymphocytes) become cancerous. Learn more about this serious condition and how to prevent and treat it in this video.
Tuberculosis, or TB, is a dangerous infectious disease commonly targeting the lungs and caused by mycobacteria. Learn more about TB including treatments and symptoms in this medical video.
Plasma Cell Neoplasm (multiple myeloma) is when plasma cells found in the bone marrow become cancerous. This is an uncommon cancer that you can learn more about in this video about the condition and its various preventative techniques and treatments.