Table of ContentsView AllTable of ContentsCommon CausesGeneticsLifestyle and EnvironmentFrequently Asked QuestionsNext in Headache GuideWhat to Do About a Continuous Headache Table of ContentsView All View All Table of Contents Common Causes Genetics Lifestyle and Environment Frequently Asked Questions Next in Headache Guide The cause ofheadaches, or why headaches develop, is complex, often involving an intricate web of pain receptors, abnormal brain processes, genetics, and a neurological phenomenon called sensitization.Outside or environmental factors are also commonly involved, serving as headache triggers—the factors that unmindfully activate pain signals within the brain....

Table of ContentsView AllTable of ContentsCardiovascularSystemicGeneticLifestyleFrequently Asked QuestionsNext in Heart Failure GuideHow Heart Failure Is Diagnosed Table of ContentsView All View All Table of Contents Cardiovascular Systemic Genetic Lifestyle Frequently Asked Questions Next in Heart Failure Guide Lifestyle factors, such as smoking and lack of activity, play a significant role, as they are often what give way to some of these concerns. A genetic condition,hypertrophic cardiomyopathy, is a fairly common cause as well....

2:54The Five Types of Viral Hepatitis 2:54 The Five Types of Viral Hepatitis Common Causes While hepatitis viruses are the most common cause of hepatitis, certain medical conditions, medications, or drugs can lead someone to develop it, too. Viral Hepatitis Among these viruses, HBV and HCV are themost common causesof chronic infections and the most likely to cause severe liver damage. Some researchers think other viruses (not listed above) might also cause hepatitis, but so far no more microbes have been clearly linked to the condition....

Table of ContentsView AllTable of ContentsCommon CausesGeneticsLifestyle Risk FactorsOther Risk Factors Table of ContentsView All View All Table of Contents Common Causes Genetics Lifestyle Risk Factors Other Risk Factors Whenbreast cancerspreads from outside of the breast to distant areas of the body, such as the liver, brain, bones, or lung, it is called metastatic breast cancer. HER2-positive breast cancermeans that the breast cancer cells have extra HER2 (human epidermal growth factor receptor 2) proteins on the outside of them....

Table of ContentsView AllTable of ContentsCausesOutbreaksRisk of InfectionRisk of RecurrenceNext in Herpes GuideHow Herpes Is Diagnosed Table of ContentsView All View All Table of Contents Causes Outbreaks Risk of Infection Risk of Recurrence Next in Herpes Guide Herpes simplex virus type 1 (HSV-1) is the type commonly associated with oral herpes (cold sores). Herpes simplex virus type 2 (HSV-2) is the type commonly associated with genital herpes. Even so, HSV-1 can be passed to the genitals and HSV-2 can be passed to the mouth viaoral sex....

Table of ContentsView AllTable of ContentsDefinitionsLifestyle Risk FactorsLack of SleepHealth ConditionsGeneticsMedications Table of ContentsView All View All Table of Contents Definitions Lifestyle Risk Factors Lack of Sleep Health Conditions Genetics Medications Causes of high triglycerides (hypertriglyceridemia) include inactivity, foods high in fat and sugar, smoking, drinking too much alcohol, and being overweight.Non-modifiable risk factors include family history, menopause, and chronic conditions like thyroid, kidney, or liver disease. Triglycerides are a type of lipid (fat) found in the blood that, when elevated, increases the risk of heart disease, stroke, andpancreatitis....

Table of ContentsView AllTable of ContentsInheritance PatternGeneticsLifestyle Risk FactorsNext in Huntington’s Disease GuideHow Huntington’s Disease Is Diagnosed Table of ContentsView All View All Table of Contents Inheritance Pattern Genetics Lifestyle Risk Factors Next in Huntington’s Disease Guide Huntington’s diseaseruns in families, and an inherited gene always causes it.The genetic defect associated with Huntington’s disease causes the degeneration of nerve cells in some regions ofthe brainthat control movement and thinking. Over time, gradually progressive deterioration of the brain leads to the characteristic symptoms of Huntington’s disease....

Table of ContentsView AllTable of ContentsInsulin IssuesGeneticsLifestyleFrequently Asked QuestionsNext in Hyperglycemia GuideHow Hyperglycemia Is Diagnosed Table of ContentsView All View All Table of Contents Insulin Issues Genetics Lifestyle Frequently Asked Questions Next in Hyperglycemia Guide 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. In the case of an otherwise healthy person, lifestyle factors such as weight gain, too little activity, or smoking could play a role in bumping up blood sugar levels....

Table of ContentsView AllTable of ContentsCommon CausesGeneticsCardiovascularLifestyle Risk FactorsFrequently Asked QuestionsNext in Hyperkalemia GuideHow Hyperkalemia Is Diagnosed Table of ContentsView All View All Table of Contents Common Causes Genetics Cardiovascular Lifestyle Risk Factors Frequently Asked Questions Next in Hyperkalemia Guide Hyperkalemiais the medical term for blood potassium levels that are too high. Potassium is a chemical element that is essential for life. It’s especially important for the normal functioning of organ systems that rely on the transmission of electrical signals—the heart, muscles, and the nerves....

Table of ContentsView AllTable of ContentsIn People With DiabetesIn OthersRisk FactorsFrequently Asked QuestionsNext in Hypoglycemia GuideHow Hypoglycemia Is Diagnosed Table of ContentsView All View All Table of Contents In People With Diabetes In Others Risk Factors Frequently Asked Questions Next in Hypoglycemia Guide Verywell / Theresa Chiechi Here’s what you need to know about the causes and risk factors of hypoglycemia: Causes: People With Diabetes If you have diabetes and take insulin ororal medicationsthat stimulate insulin secretion, there are a number of factors that can cause hypoglycemia, including the following....

Table of ContentsView AllTable of ContentsCommon CausesGeneticsCardiovascular Risk FactorsAlcohol as a Risk FactorFrequently Asked QuestionsNext in Hypothermia GuideWhat Is Hypothermia? Table of ContentsView All View All Table of Contents Common Causes Genetics Cardiovascular Risk Factors Alcohol as a Risk Factor Frequently Asked Questions Next in Hypothermia Guide Exposure to cold air or cold water is the biggest cause of hypothermia. Surprisingly, it doesn’t take extremely cold weather to cause it. The only thing that matters is how cold the body gets....

Table of ContentsView AllTable of ContentsCommon CausesGenetic DisordersLifestyle Risk Factors Table of ContentsView All View All Table of Contents Common Causes Genetic Disorders Lifestyle Risk Factors There are many medical conditions and diseases that cause excessive mucus production. In some cases, thecolor and consistency of mucusyou cough up can tell a lot about the underlying cause. Too much mucus may be the result of a chronic respiratory condition likechronic obstructive pulmonary disease (COPD), an acute infection likebacterial pneumonia, or a lung disease likecystic fibrosis....

Table of ContentsView AllTable of ContentsCommon CausesGenetic Risk FactorsLifestyle Risk FactorsFrequently Asked Questions Table of ContentsView All View All Table of Contents Common Causes Genetic Risk Factors Lifestyle Risk Factors Frequently Asked Questions Thecolonis the longest part of thelarge intestine. Water and some nutrients are absorbed from food waste as it passes through. When the inner lining of the colon becomes inflamed, it’s known ascolitis. Many illnesses and injuries can lead to colitis, from an acute (sudden and short-term) infection to a chronic (long-term) disease....