Disease and Conditions

What is a hormonal imbalance? Hormones are your body’s chemical messengers. Produced in the endocrine glands, these powerful chemicals travel around your bloodstream telling tissues and organs what to do. They help control many of your body’s major processes, including metabolism and reproduction. When you have a hormonal imbalance, you have too much or too little...

Diagnosis Diagnosing Breast Cancer Tests and procedures used to diagnose breast cancer include: Breast exam. Your doctor will check both of your breasts and lymph nodes in your armpit, feeling for any lumps or other abnormalities. Mammogram. A mammogram is an X-ray of the breast. Mammograms are commonly used to screen for breast cancer. If an abnormality is...

Overview Breast cancer is cancer that forms in the cells of the breasts. After skin cancer, breast cancer is the most common cancer diagnosed in women. Breast cancer can occur in both men and women, but it's far more common in women. Substantial support for breast cancer awareness and research funding has helped created advances in the...

Diagnosis At the time a rabid animal bites you, there's no way to know whether the animal has transmitted the rabies virus to you. For this reason, treatment to prevent the rabies virus from infecting your body is recommended if the doctor thinks there's a chance you have been exposed to the virus. Treatment Once a rabies...

Overview A heart attack occurs when the flow of blood to the heart is blocked. The blockage is most often a buildup of fat, cholesterol and other substances, which form a plaque in the arteries that feed the heart (coronary arteries). The plaque eventually breaks away and forms a clot. The interrupted blood flow can damage...