Breast cancer

Breast cancer is a cancer that starts in the tissues of the breast. There are two main types of breast cancer:

• Ductal carcinoma starts in the tubes (ducts) that move milk from the breast to the nipple. Most breast cancers are of this type.
• Lobular carcinoma starts in the parts of the breast, called lobules, that produce milk.   ((more))

Heart attack

A heart attack occurs when blood flow to a part of your heart is blocked for a long enough time that part of the heart muscle is damaged or dies. The medical term for this is myocardial infarction.

Alternative Names

Myocardial infarction; MI; Acute MI; ST-elevation myocardial infarction; Non-ST-elevation myocardial infarction. ((more))

HIV infection

HIV infection is a condition caused by the human immunodeficiency virus (HIV). The condition gradually destroys the immune system, which makes it harder for the body to fight infections.

Alternative Names

Human immunodeficiency virus infection ((more))

Diabetes

Diabetes is usually a lifelong (chronic) disease in which there are high levels of sugar in the blood.

Causes, incidence, and risk factors

Insulin is a hormone produced by the pancreas to control blood sugar. Diabetes can be caused by too little insulin, resistance to insulin, or both. ((more))