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Acute renal (kidney) failurecan be triggered by a variety of medical conditions that damage the kidneys. Common Causes Usually, the kidneys can continue to function well, even when you become sick. Acute kidney failure is a consequence of severe and rapid damage to the kidneys. Verywell It may be reversible or it could be permanent, resulting in lasting kidney dysfunction. Toxins Medications contain components that must pass through the kidneys as they are processed in the body....

Anaphylaxisis a life-threatening allergic reaction that can be triggered by exposure to many different substances (allergens). The most common allergies that can produce anaphylaxis are to drugs, insects stings, foods, and latex. Immunological Causes Yourimmune systemprotects you from foreign substances. Illustration by Verywell On future exposures, these antibodies bind to the substances and also to receptors on mast cells and basophils. This triggers the release of the mediator chemicals that promote an inflammatory reaction....

People who have a risk factor for developing a brain tumor won’t necessarily develop one. Likewise, many people who develop brain tumors have no known risk factors for the disease. Nobody deserves a brain tumor, no matter what habits or practices they have. Illustration by Verywell Radiation Exposure Exposure to radiation. HIV/AIDS People living with HIV/AIDS have roughly double the risk of developing a brain tumor. Weight People who are overweight or obese have an increased risk of brain tumors....

Age Older age is the number one risk factorfor colon cancer. That said, young adults can get colon cancer too. Ethnicity and Race Ethnicity and race are also factors associated with cancer risk. Verywell African Americans are more likely to develop and die from colon cancer than Caucasians. Another high-risk group for getting colon cancer is people of Jewish Eastern European descent. Being Overweight or Obese The link between colon cancer andobesityis strong....

Contact dermatitisis an itchy, blistering skin rash typically brought on by skin’s direct contact with a substance. In allergic contact dermatitis, common allergens include nickel,adhesives, plants, cosmetics, and topical medications. Common Causes Obviously, finding what is triggering your contact dermatitis is essential to avoiding reactions. Verywell / Cindy Chung These are the most frequent irritants and allergens. Nickel Nickelis the most frequent cause of allergic contact dermatitis. Between 8% and 11% of women have this allergy....

Common Causes A number of factors can contribute to the development of COPD. Most, though not all, fall into the category of long-term irritant exposure. Many of the causes of COPD can triggerexacerbationswith worsening symptoms as well. © Verywell, 2018 Smoking and Secondhand Smoke Smoking is by far the number one cause of COPD. If you have a family history of COPD, your risk is further increased by your smoking habit....

Hormones or fluid build up may be to blame but often cysts have no clear cause. Acystis a closed pocket of tissue that forms somewhere on the body. There are hundreds of differenttypes of cystsand oftentimes theyre unexplained. sturti / Getty Images But they can also be brought on by fluid buildup, hormonal fluctuations or injury. This article will cover what causes cysts, including skin cysts, ovarian cysts, and internal cysts....

It is due to nerve damage that can occur withtype 1 diabetesortype 2 diabetes. This article describes the risk factors, types, and causes of diabetic neuropathy. Axonal injury is the destruction of the nerve itself. RealPeopleGroup / Getty Images Over time, the nerves degenerate. Eventually, the muscles supplied by these nerves can atrophy (wither away). Genetics Research shows that long-term metabolic changes of diabetes can affect how certain genes are expressed....

Common Causes Only a healthcare provider can confirm the cause of your erectile dysfunction. Often, an underlying disease or condition is to blame (see below). But one or more of the following issues may also be at play. Verywell / Joshua Seong The good news: ED and other sexual problems don’t appear to be inevitable. Medications and Treatments Certain medications can interfere with nerve impulses or blood flow to the penis....

There are, however, a number of common and uncommon causes of flaky eyelids to also consider. This article looks at some of the possible causes of flaky eyelids and how they are treated. Image Source / Getty Images Blepharitis Blepharitisis a general term referring toinflammationof the eyelids. Image Source / Getty Images It causes flaking and scaling nearer to the eyelashes and usually affects both eyelids. When you have this condition, your eyelids will appear greasy....

Geographic atrophyoccurs in the late stage ofage-related macular degeneration(AMD). It is linked to several risk factors including advanced age, family history, and cigarette smoking. However, the precise mechanism by which this happens is unclear. Vlada Milosavljevic / 500px / Getty Images Scientists think that a variety of factors are at play. Age and family history are the most significant risk factors. Geneticsalso appears to play a role. If this system is not functioning correctly, inflammation can occur....

Siblings are generally considered the best donors because they get their genes from the same parents. In some cases, tissues from a matched donor can still trigger a hostile immune response. Most cases develop within the first few weeks. FatCamera / Getty Images Chronic GvHD Chronic GvHD is characterized by symptoms that develop more than 100 days after a transplant. The higher the KPS score, the lower the risk of these specific conditions....

Autoimmune diseases are a result of the bodys immune system attacking healthy issues because it thinks they are diseased. WithHashimotos, immune cells are attacking the thyroid gland. This attack causes inflammation and impairs the thyroids ability to make enough thyroid hormone. Illustration by Emily Roberts, Verywell These genes are more common in Caucasians. Relatives of people with Hashimotos also have a higher risk for developing the disease. And because its more common in women, female relatives have the highest risk....