Causes & Risk Factors

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The Link Between High Blood Pressure and Pain

High blood pressure and pain go hand-in-hand, which can complicate things for people with chronic pain. Learn what happens in the nervous system. Pain tells the body that something is wrong. It is an involuntary response from the nervous system....

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What Is Polygenic Hypercholesterolemia?

Polygenic hypercholesterolemia is a condition where many genes work to increase cholesterol levels, rather than just one single dominant gene. Learn more. Polygenic hypercholesterolemia (PH) is a genetic condition that causes high cholesterol. It is...

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Causes and Risk Factors of Carcinoid Tumors

A carcinoid tumor is a rare, slow-growing tumor that currently does not have a known cause. However, scientists have identified some risk factors. Carcinoid tumors are rare, slow-growing neuroendocrine tumors (NETs) that usually develop in...

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Breast Cancer and Age: What’s the Connection?

Most breast cancer is found in women over 50. Age is one of the main risk factors for breast cancer, though it can also be aggressive in young women. Age is the strongest risk factor for breast cancer in women in the United States. The older a...

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What Is an Isocitrate Dehydrogenase-2 (IDH2) Mutation?

Isocitrate dehydrogenase-2 (IDH2) mutations are associated with conditions such as AML, myelofibrosis, gliomas, Maffucci syndrome, and Ollier disease. The isocitrate dehydrogenase-2 (IDH2) mutation is associated with some types of cancer such as...

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Why Is My Cholesterol High?

Whether it's your diet, genetics, or both, high cholesterol can increase your risk of a serious condition like a heart attack or stroke. High cholesterol can be a result of your diet and lifestyle, genetics, or some of both. It can be hard to...

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What Are Lung Cancer Biomarkers?

Lung cancer biomarkers (tumor markers) are biological molecules in people with lung cancer. Testing biomarkers helps characterize tumor growth. Lung cancer biomarkers, also known as tumor markers, are biological molecules in people with lung cancer....

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