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A genetic condition,hypertrophic cardiomyopathy, is a fairly common cause as well. Cardiovascular Of the causes of heart failure, the most significant ones are preceding heart conditions. Some often occur together and may cause one another. © Verywell, 2018 For example, hypertension contributes to coronary artery disease, which leads to heart attacks. CAD describes a process by which the inside of the coronary arteries become narrow, stiff, and irregular. These unhealthy blood vessels become prone to the accumulation of cholesterol, debris, and blood....

This article will review the causes and risk factors associated with HER2-positive metastatic breast cancer. HER2-positive breast cancer typically develops due to an overproduction of the HER2 gene. These cells then stay in other areas of the body. Verywell / Ellen Lindner When and why they eventually start to grow is not well understood. However, a mutation or change to the HER2 gene is what causes too many HER2 proteins to develop....

Bothoral herpesandgenitals herpesare sparked by types of the herpes simplex virus (HSV). The virus is passed when you come in contact with a herpes sore or its fluids. Herpes simplex virus key in 2 (HSV-2) is the key in commonly associated with genital herpes. Illustration by Verywell This article describes the different causes and risk factors for HSV-1 and HSV-2. It also explains who is at high risk for herpes and how to protect yourself....

Ariel Skelley/Getty Images Definitions Triglyceridesare lipids or fats. They are, in part, what helps you sustain energy throughout the day. They may also freely circulate in the bloodstream when introduced. Ariel Skelley/Getty Images Levels are measured in milligram per deciliter (mg/dL). These choices are often the main causes of increased levels. Smoking Cigarettes Smoking has a complex effect on triglycerides. It may cause insulin resistance, a condition in which your body doesn’t respond to insulin....

Over time, gradually progressive deterioration of the brain leads to the characteristic symptoms of Huntingtons disease. Verywell / Laura Porter Inheritance Pattern Heredity is the only known cause of Huntingtons disease. It is inherited in an autosomal dominant pattern. Verywell / Laura Porter Anyone who has the disease must have at least one copy of the disease-producing gene. The genetic defect that causes Huntingtons disease is described as a CAG repeat in the HTT gene....

There are a host of reasons a person might develop high blood glucose, a condition known ashyperglycemia. For someone who hasdiabetes, it could be a problem with their treatment or management plan. Pregnancy can also be a risk factor. Verywell And everyone experiences increases in blood sugar levels during the early morning. When the body digests carbohydrates, it breaks them down into sugar molecules. Glucose is one of these. If the body isn’t producing any insulin or enough insulin, glucose builds up in the blood....

Accidental hypothermia is triggered by environmental factors including cold weather, cold water immersion, and also surgery. Common Causes Exposure to cold air or cold water is the biggest cause of hypothermia. Surprisingly, it doesn’t take extremely cold weather to cause it. Illustration by Joshua Seong. © Verywell, 2018. The only thing that matters is how cold the body gets. Indeed, the problem with hypothermia is that it creeps up on you....

There are others still under investigation as well, such as radon. Ethnicity Racial differences in incidence differ between the types of leukemia. Radiation Some types of radiation are known risk factors for leukemia, and others are only possible risk factors. Illustration by Verywell Genetic syndromes may also increase the risk of leukemia (see below). At the current time, it’s thought that around 20 percent of AML cases are linked to smoking....

How this happens in liver cancer isn’t confirmed, but several mechanisms have been postulated. Whatisknown is that several factors increase one’s risk of developing the disease. Some of them do so substantially, whereas others may raise the risk only a small amount. Verywell There are other risk factors that are considered, though experts aren’t sure if they are indeed related. Having a risk factor for liver cancer does not mean that you will develop the disease....

Lupusis one of those mysterious diseases that doctors haven’t quite pinned down. No one knows for surehow or why it occurs. It won’t be until the science catches up with the disease that we will truly understand its roots. Illustration by Joshua Seong. © Verywell, 2018. In the meantime, we can look at contributors believed to factor into lupus as scientists understand them now. 90% of people with lupus are female, suggesting hormones play an important role....

Having one or more of these risk factors does not mean you will get lymphoma. In most cases, they can’t even predict your likelihood of developing the disease. The key risk factors associated with lymphoma include: Obesity and diet may also play a part. The Good Brigade / Getty Images The two main types areHodgkin lymphomaandnon-Hodgkin lymphoma. Many of these risk factors are non-modifiable, meaning that there is nothing you could do to change them....

Being 50 or older increases your chance of developing age-related macular degeneration. There seems to be a link between the onset of menopause and macular degeneration. In fact, there is research investigating the role of estrogen inmacular degeneration treatment. © Verywell, 2018 Genetics Macular degeneration is not reliably passed down, but hereditary factors can play a role. In Stargardts disease, there is a genetic defect that causes thephotoreceptorsof the eye to die....

The exact cause ofmeningioma, the most common brain tumor, is unknown. This article will explain more about the causes and risk factors of getting a meningioma. Genetics Genetics may affect your chances of having meningioma. SCIENCE PHOTO LIBRARY / Getty Images Risk Factors There are genetic conditions that increase your risk of brain tumors. Genetics and other risk factors may play a role in causing this pop in of tumor....