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eMedTV Articles A-Z

Causes of Adrenal Insufficiency - Causes of Merkel Cell Carcinoma

This page contains links to eMedTV Articles containing information on subjects from Causes of Adrenal Insufficiency to Causes of Merkel Cell Carcinoma. The information is organized alphabetically; the "Favorite Articles" contains the top articles on this page. Links in the box will take you directly to the articles; those same links are available with a short description further down the page.
Favorite Articles
Descriptions of Articles
  • Causes of Adrenal Insufficiency
    Causes of adrenal insufficiency are linked to a disorder of the adrenal glands or to inadequate secretion of ACTH by the pituitary gland. This eMedTV page explains the possible causes of each type of adrenal insufficiency in more detail.
  • Causes of Alopecia Areata
    As this eMedTV article explains, the cause of alopecia areata is linked to an autoimmune disease, but it is unknown how the disease slows hair production. This article discusses the possible causes of this condition in greater detail.
  • Causes of ALS
    Although ALS is believed to be linked to genetics, researchers are still looking for a definite cause. This eMedTV selection explores the possible causes of ALS, including factors such as glutamate and autoimmune responses.
  • Causes of Alzheimer's Disease
    Though the exact causes of Alzheimer's disease are unknown, this eMedTV article explores certain factors that may increase the risk of developing Alzheimer's. These risk factors include: age, family history, genetics, and possibly high blood pressure.
  • Causes of Angina
    Each angina type has different causes, but all lead to a temporary lack of oxygen-rich blood to the heart. This eMedTV page explains the causes of angina and lists triggers, such as physical exertion, that can increase a person's chances of an attack.
  • Causes of Anorexia
    The exact causes of anorexia are not known; however, as this page of the eMedTV library explains, possible risk factors include biochemistry, personality traits, and genetics. This page explains these risk factors in detail.
  • Causes of Appendicitis
    As this part of the eMedTV library explains, the causes of appendicitis are usually due to a blockage inside the appendix. Feces can cause such a blockage, as can a bacterial or viral infection. This article discusses these and other possible causes.
  • Causes of Arthritis
    As this eMedTV Web page explains, arthritis can occur due to infections, high levels of uric acid, or other factors. In many cases, the cause is unknown. This article takes a closer look at the risk factors and causes of arthritis.
  • Causes of Asperger Syndrome
    While the causes of Asperger syndrome are not known, it is likely that both genetics and environment play a role in the disorder. This eMedTV Web page discusses some of the research being conducted on factors that may contribute to Asperger syndrome.
  • Causes of Asthma
    The exact causes of asthma are still unclear. This article from the eMedTV archives explores the possible causes of this condition -- such as common allergens and irritants -- that can trigger asthma attacks.
  • Causes of Atherosclerosis
    As this selection from the eMedTV Web site explains, the causes of atherosclerosis are not yet known. This page explains some of the risk factors (such as smoking) that increase one's chances of developing the condition.
  • Causes of Atopic Dermatitis
    This page of the eMedTV library discusses possible causes of atopic dermatitis. For example, research scientists believe that environment and genetics work together to cause the condition; strong emotions can make it worse, but they cannot cause it.
  • Causes of Atrial Fibrillation
    As this eMedTV page explains, atrial fibrillation can be caused by things like heart problems, certain surgical procedures, and smoking. This article takes an in-depth look at what causes this condition.
  • Causes of Autism
    There are no known causes of autism, but scientists are studying possible genetic and environmental causes of the disorder. This eMedTV page sheds light on current areas of research focused on possible causes of autism.
  • Causes of Autoimmune Hepatitis
    The cause or causes of autoimmune hepatitis may be linked to genetic and environmental factors. This eMedTV article outlines these possible autoimmune hepatitis causes (which could include certain genes, toxins, or drugs).
  • Causes of Avascular Necrosis
    There are several possible causes of avascular necrosis. As this eMedTV page explains, some of these causes include steroid use, excessive alcohol consumption, or injury to a joint. This article also talks about possible risk factors.
  • Causes of Back Pain
    Certain diseases, injuries, and medical conditions such as scoliosis are possible causes of back pain. This eMedTV Web page describes these and other possible causes, including infections, tumors, and stress.
  • Causes of Bacterial Vaginosis
    Douching and not using a condom, as this eMedTV page explains, are not actual causes of bacterial vaginosis, but they may cause an overgrowth of harmful bacteria in the vagina. You cannot get bacterial vaginosis from toilet seats or swimming pools.
  • Causes of Barrett's Esophagus
    The causes of Barrett's esophagus are unknown. However, as this eMedTV article explains, certain risk factors may increase the chances of developing the condition. These factors include obesity, age, gender, and gastroesophageal reflux disease.
  • Causes of Behcet's Disease
    Although the causes of Behcet's disease are unknown, inflammation of the blood vessels often causes symptoms to appear. This eMedTV page explains how the environment and genetics, while not causes of Behcet's disease, may lead to its development.
  • Causes of Bell's Palsy
    While the exact causes of Bell's palsy are not known, most researchers believe that a viral infection causes the condition. This eMedTV article explores possible causes, such as viral meningitis and herpes simplex.
  • Causes of Biliary Cirrhosis
    As this eMedTV page explains, the causes of biliary cirrhosis are different for each type of the disease. Secondary biliary cirrhosis occurs when large bile ducts outside the liver are obstructed. The cause of primary biliary cirrhosis is unknown.
  • Causes of Blepharitis
    As this eMedTV page explains, blepharitis can be caused by things like bacterial infection, scalp dandruff, and acne rosacea. This article takes a closer look at the different causes of this condition, including how they can differ for each type.
  • Causes of Body Lice
    Body lice is caused by an infestation with a small insect known as Pediculus humanus corporis. This eMedTV segment further discusses the causes of body lice and also provides a detailed description of the insect that causes the infestation.
  • Causes of Bone Cancer
    As this eMedTV segment explains, the causes of bone cancer are still unknown. However, certain factors can increase a person's chances of developing it. This Web page explores these risk factors for bone cancer, such as a family history of cancer.
  • Causes of Botulism
    The Clostridium botulinum bacterium produces nerve toxins that are the causes of botulism. As this section of the eMedTV library explains, this bacterium can produce seven forms of this toxin, only four of which are causes of botulism in humans.
  • Causes of Brain Cancer
    As this eMedTV article explains, the causes of brain cancer are unknown. However, exposure to certain chemicals may increase a person's chances of developing it. This Web page takes a closer look at the risk factors for brain cancer.
  • Causes of Bubonic Plague
    The causes of bubonic plague are Yersinia pestis bacteria, which are often found in rats, but, as this eMedTV article explains, are also found in other animals. This page also discusses how the bacteria is transmitted and symptoms of infection.
  • Causes of BV
    An increase of harmful bacteria in the vagina is the primary cause of BV. This eMedTV segment discusses the things that, while not actual "causes," can lead to this increase, such as frequent douching or not using a condom.
  • Causes of Cardiovascular Disease
    As this eMedTV Web page explains, the causes of cardiovascular disease can vary, depending on the disease in question. This article lists a few of the most common causes, such as blocked arteries and high blood pressure.
  • Causes of Carpal Tunnel Syndrome
    Carpal tunnel syndrome is the result of pressure on the median nerve and tendons in the carpal tunnel. This eMedTV page further explores the causes of carpal tunnel syndrome and lists factors that may increase your risk of developing the condition.
  • Causes of Celiac Disease
    The exact causes of celiac disease are not yet known; however, as explained in this portion of the eMedTV library, scientists have identified specific genes that appear to play a role in causing this condition.
  • Causes of Childhood Acute Lymphoblastic Leukemia
    Exposure to radiation or chemotherapy is a possible cause of childhood lymphoblastic leukemia. This page of the eMedTV site describes these and other causes of the condition, including being Caucasian or Hispanic and having certain genetic conditions.
  • Causes of Childhood Obesity
    This eMedTV page explains that there are several factors that can increase a child's risk of obesity, such as genetics and illnesses. This page covers what many consider the "causes" of childhood obesity and explains what to do if your child is obese.
  • Causes of Childhood Urinary Tract Infections
    Causes of childhood urinary tract infections (UTIs) may include abnormalities such as urinary obstructions. This eMedTV Web page discusses some of the abnormalities that may cause UTIs in children and the tests used to identify these abnormalities.
  • Causes of Cholera
    Vibrio cholerae Serogroup O1 and Vibrio cholerae Serogroup non-O1 are the causes of cholera. This eMedTV page explains these types of Vibrio cholerae and discusses the routes of transmission: naturally or through contaminated feces.
  • Causes of Chronic Lymphocytic Leukemia
    The causes of chronic lymphocytic leukemia are not yet known. This section of the eMedTV archives discusses risk factors that increase the chances of developing chronic lymphocytic leukemia, such as being middle-aged or older, male, or Caucasian.
  • Causes of Chronic Pancreatitis
    Common causes of chronic pancreatitis are alcoholism, a blocked or narrowed pancreatic duct, and heredity. This eMedTV segment takes an in-depth look at these and other chronic pancreatitis causes, such as certain autoimmune conditions.
  • Causes of Cirrhosis
    Causes of cirrhosis can include hepatitis C, chronic alcoholism, and congestive heart failure. This eMedTV page explores these and other possible cirrhosis causes -- including certain drugs that can lead to cirrhosis (such as birth control pills).
  • Causes of Cluster Headaches
    As this eMedTV segment explains, being a heavy smoker or having a family history of cluster headaches puts you at a higher risk of developing this type of headache. This article discusses some of the possible causes of cluster headaches.
  • Causes of Colon Cancer
    The exact causes of colon cancer are not known. However, as this eMedTV article explains, there are certain risk factors (such as smoking or a history of polyps) that do increase your chances of developing it.
  • Causes of Common Cold
    Viruses are the causes of the common cold -- there are more than 200 viruses that can cause colds. This eMedTV resource discusses these and other possible common cold causes, such as rhinoviruses, coronaviruses, and parainfluenza.
  • Causes of Congestive Heart Failure
    This page from the eMedTV library provides a discussion on the causes of congestive heart failure. Common causes include heart disease, high blood pressure, diabetes, drug or alcohol abuse, and thyroid disorders.
  • Causes of Constipation
    As this eMedTV article explains, physical inactivity, not getting enough fiber, and not drinking enough water are the most common causes of constipation. This page also explains other possible causes, including some colon disorders and medications.
  • Causes of Contact Dermatitis
    Exposures to soap, solvents, and perfumes are some of the common causes of contact dermatitis. This eMedTV Web page lists other substances that can cause this condition, and also explains the difference between the two types of contact dermatitis.
  • Causes of COPD
    This page of the eMedTV Web site explores common causes of COPD, such as tobacco smoke, dust, and chemical fumes. It also describes a genetic condition that may predispose people to the disease and cause it to destroy the lungs more quickly.
  • Causes of Coronary Heart Disease
    As explained in this eMedTV article, the causes of coronary heart disease (CHD) involve a narrowing of the coronary arteries. There are also certain risk factors (such as smoking or being overweight) that increase a person's chances of developing CHD.
  • Causes of Cystic Fibrosis
    As this eMedTV article explains, the cause of cystic fibrosis is linked to a defect in a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene. This segment discusses this gene in detail, including inheritance risks.
  • Causes of Dementia
    Alzheimer's disease and Binswanger's disease are two of the possible causes of dementia. This eMedTV resource discusses other potential causes of the condition, such as alcohol abuse, brain cancer, and Huntington's disease.
  • Causes of Depression
    Stress and certain drugs are among the things that may raise the risk of developing depression. As this eMedTV Web page explains, these risk factors don't guarantee that a person will develop the illness. The causes of depression are still unknown.
  • Causes of Depression
    The exact cause of depression is not known. This video clip explores several theories on what may contribute to depression.
  • Causes of Diabetes
    The causes of diabetes differ, depending on the type involved -- type 1, type 2, or gestational. This page of the eMedTV Web site explores the various causes or risk factors for each of these three types of diabetes.
  • Causes of Diabetes Insipidus
    This eMedTV page provides an in-depth look at several possible causes of diabetes insipidus. These factors include damage to the pituitary gland, which disrupts the normal storage and release of ADH, and a problem with an area of the hypothalamus.
  • Causes of Diaper Rash
    The primary diaper rash cause is stool or urine irritating the skin. This article from the eMedTV archives explores other possible reasons for diaper rash, including causes of skin rashes that develop under the diaper that are not related to diaper use.
  • Causes of Down Syndrome
    Most cases of Down syndrome are caused by trisomy 21. As this eMedTV page explains, this means that each cell in the body has three copies of chromosome 21 instead of the usual two copies. This article looks at the causes of Down syndrome.
  • Causes of Eating Disorders
    As this eMedTV segment explains, the specific causes of eating disorders are unknown, but risk factors may involve personality factors, genetics, and biochemistry. This article describes in detail these risk factors and limited research findings.
  • Causes of Ebola
    As this eMedTV segment explains, Ebola is caused by an infection with a virus. This article explains how the virus is transmitted from one human to another and describes the various subtypes.
  • Causes of Emphysema
    Emphysema is typically linked to the inhalation of irritants such as smoke and fumes. As this eMedTV article explains, the most common irritant associated with emphysema is cigarette smoke. This page discusses emphysema and its causes.
  • Causes of Fever Blisters
    Fever blisters are primarily caused by the herpes simplex type 1 virus. As this eMedTV article explains, while herpes simplex type 1 and type 2 are both causes of fever blisters, over 95 percent of recurrent outbreaks are caused by the type 1 virus.
  • Causes of Genital Warts
    Certain types of the human papillomavirus can cause genital warts. This article from the eMedTV archives describes these specific causes of genital warts and explains whether common warts can cause the condition.
  • Causes of GERD
    The specific causes of GERD are still being investigated. As this eMedTV article explains, however, several factors can put you at a higher risk of developing it. These risk factors include pregnancy, certain medications, and alcohol or tobacco use.
  • Causes of Glaucoma
    Although the causes of glaucoma are not known, many factors increase the risk of developing the condition. This eMedTV page discusses specific risk factors (such as having diabetes or a family history of glaucoma) associated with the eye disease.
  • Causes of Gout
    Having too much uric acid in the blood is the cause of gout. This eMedTV resource lists some of the reasons why uric acid can build up in the blood, as well as some gout risk factors (such as having hyperthyroidism or diabetes insipidus).
  • Causes of Head Lice
    The causes of head lice are typically instances of direct contact with an infested person. However, as this eMedTV Web page explains, the lice can also be spread through contact with infested clothing. An overview of the head louse is also provided.
  • Causes of Headaches
    Strokes, injuries to the neck, and high blood pressure are just a few causes of headaches. This eMedTV segment discusses these and other causes in detail and explains how healthcare providers classify headaches into three different groups.
  • Causes of Heart Attack
    As this eMedTV article explains, the cause of a heart attack is a severely narrowed or completely blocked coronary artery that causes a decrease in oxygen and nutrients to the heart. This Web page describes these and other factors in detail.
  • Causes of Heart Disease
    This eMedTV page examines the causes of heart disease, which involve a hardening or narrowing of the arteries. While not causes of the condition per se, certain risk factors (such as having diabetes) can increase a person's chances of developing it.
  • Causes of Heart Murmurs
    As this eMedTV article explains, the causes of heart murmurs can range from an increased amount of blood flowing through the heart to illnesses such as rheumatic fever. This page provides detailed information about other possible causes.
  • Causes of Heartburn
    Although the exact causes of heartburn are unknown, there are several factors that can put you at risk. This eMedTV article lists some of the most common risk factors for heartburn, including stress, pregnancy, and hiatal hernia.
  • Causes of Hemochromatosis
    Because there are different types of the disease, there are different causes of hemochromatosis. This eMedTV Web page explains these different causes and also discusses juvenile and neonatal hemochromatosis, the causes of which are unknown.
  • Causes of Hemophilia
    As explained in this eMedTV segment, a mutation in the F8 gene causes hemophilia A, while a mutation in the F9 gene is responsible for hemophilia B. This article covers these genes in more detail and discusses how hemophilia is inherited.
  • Causes of Hemorrhoids
    As this eMedTV article explains, hemorrhoids are caused by increased pressure within the veins around the anus or lower rectum. This page discusses the topic in detail, including a list of risk factors such as pregnancy and straining to move stool.
  • Causes of Hepatitis C
    Hepatitis C is caused by infection with a certain virus. This portion of the eMedTV Web site reviews the different causes of this condition and how the hepatitis C virus can be spread -- generally through infected blood.
  • Causes of Hepatitis D
    As this eMedTV page explains, causes of hepatitis D can include exposure to blood or blood products (such as through infected needles used for tattoos or body piercing), as well as exposure to other infected bodily fluids (such as semen or saliva).
  • Causes of Hepatitis E
    What are some examples of hepatitis E causes? This eMedTV page explains that hepatitis E is commonly spread through oral contact with something that has been contaminated with the stool of someone infected with the hepatitis E virus.
  • Causes of High Blood Pressure
    While not causes of high blood pressure per se, as this eMedTV article explains, factors such as smoking or diabetes can increase a person's risk of developing this condition. Other possible causes of hypertension include gender and race.
  • Causes of High Cholesterol
    Although not causes of high cholesterol, factors such as diet and heredity can increase a person's chances of developing it. This eMedTV page explains factors that, while not causing the condition, increase the risk of developing high cholesterol.
  • Causes of High Cholesterol
    This video clip talks about the causes of high cholesterol.
  • Causes of High Prolactin Levels
    Causes of high prolactin levels may include such things as pregnancy, breastfeeding, and a prolactinoma. This eMedTV article discusses these and other possible causes of high prolactin levels, including hypothyroidism and certain medications.
  • Causes of High Triglcerides
    The specific causes of high triglycerides are not known. This eMedTV resource lists risk factors that may increase your chances of developing high triglycerides. Causes of high triglcerides is a common misspelling of causes of high triglycerides.
  • Causes of High Triglycerides
    The causes of high triglycerides are unknown, as this eMedTV article explains. However, there are several known risk factors for developing the condition. This page explores these risk factors (such as being overweight or physically inactive).
  • Causes of HPV
    The human papillomavirus (HPV) is a common virus that can cause a range of conditions. This page from the eMedTV archives offers a discussion on what causes HPV, the different types, and the medical conditions that may occur as a result.
  • Causes of Hypertension
    Some possible causes of hypertension include Cushing's, sleep apnea, and birth control pills. This eMedTV page explores other possible causes and looks at risk factors that can increase your chances of developing hypertension.
  • Causes of Interstitial Cystitis
    While the causes of interstitial cystitis are still being studied, possibilities discussed in this eMedTV article include a substance in urine that irritates the bladder, genetics, and the role of an autoimmune response following infection.
  • Causes of Intestinal Gas
    The main causes of intestinal gas are swallowed air and the normal breakdown of food. This eMedTV page explains how some specific foods, such as starches and sugars, can cause gas in some people, but not in others.
  • Causes of Intussusception
    As this eMedTV page explains, intussusception may be caused by things like viral infections, growths, or long-term diarrhea. This article takes a closer look at potential causes of this condition, explaining how they may differ in children and adults.
  • Causes of Juvenile Rheumatoid Arthritis
    As this eMedTV Web page explains, the cause or causes of juvenile rheumatoid arthritis are not known. This article explains how the condition is an autoimmune disease and describes the factors believed to play a role in causing it.
  • Causes of Kidney Stones
    This section of the eMedTV library discusses possible causes of kidney stones and risk factors for the condition. While not actual causes, age, certain medications, or family history may play a role in the development of kidney stones.
  • Causes of Leprosy
    The causes of leprosy can be traced to an infection with Mycobacterium leprae. This eMedTV article discusses this bacteria in detail and explains factors that affect how it is transmitted, such as genetics or environmental conditions.
  • Causes of Leukemia
    The exact causes of leukemia are not yet known. As explained in this eMedTV article, however, researchers have identified risk factors (such as exposure to very high levels of radiation) that increase one's chances of developing leukemia.
  • Causes of Lice
    There are three different types of insects that cause lice infestations in humans. This eMedTV resource describes these causes in greater detail, including information on what they look like and how you can reduce your risk of becoming infested.
  • Causes of Lichen Sclerosus
    The causes of lichen sclerosus are unknown, but the immune system and hormone levels may play a role. This eMedTV resource explains these and other potential causes of lichen sclerosus.
  • Causes of Low Testerone
    As this eMedTV segment explains, infections, injuries to the testes, or diabetes may be possible causes of low testosterone. A link to more information is also included. Causes of low testerone is a common misspelling of causes of low testosterone.
  • Causes of Low Testosterone
    Diabetes, infections, and genetic conditions are among the many possible causes of low testosterone. This eMedTV resource contains a detailed list of other possible causes and describes the difference between primary and secondary male hypogonadism.
  • Causes of Lower Back Pain
    This eMedTV resource discusses various causes of lower back pain, such as injury or trauma, spinal degeneration, and spinal stenosis. Other conditions that may cause pain and require treatment by a physician can include a bulging disc and sciatica.
  • Causes of Lung Cancer
    The most common causes of lung cancer are linked to tobacco smoke, pollution, and lung diseases. This part of the eMedTV archives describes various causes of this disease and offers information on the latest research on cancer causes.
  • Causes of Macular Degeneration
    As this eMedTV article explains, the causes of macular degeneration aren't known. However, risk factors for the condition include age, smoking, and family history. This article explains the condition and discusses these risk factors in general.
  • Causes of Male Incontinence
    Some possible male incontinence causes include: nerve problems, and prostate problems. Other possible causes of male incontinence are also discussed in this eMedTV article.
  • Causes of Marfan Syndrome
    The cause of Marfan syndrome is a defect in the fibrillin-1 gene. As this eMedTV article explains, this defect can be inherited, or it can occur spontaneously. This page discusses the causes of this condition in detail, including related statistics.
  • Causes of Melanoma
    This eMedTV article describes various potential causes of melanoma. While the exact causes are still unknown, risk factors for the condition include excessive sun exposure, a history of sunburns, and having more than 50 moles.
  • Causes of Merkel Cell Carcinoma
    As this page of the eMedTV archives explains, the exact causes of Merkel cell carcinoma are still being investigated, and may be linked to risk factors such as arsenic exposure, immunosuppressive drugs, and exposure to sunlight.
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