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Epilepsy is a central nervous system disorder in which nerve cell activity in the brain becomes disrupted, causing seizures or periods of unusual behavior, sensations and, sometimes, loss of conscious...

A stroke occurs when the blood supply to part of your brain is interrupted or severely reduced, depriving brain tissue of oxygen and nutrients. Within minutes, brain cells begin to die. A stroke is a ...

Almost everyone experiences at least one headache at some time during his or her life. According to the World Health Organization, about 50% of all adults have regular headaches. They can slow yo...

Neurosurgeons at Mayo Clinic Health System are trained in the diagnosis and treatment of the entire nervous system, including your brain, spinal cord and spinal column, as well as the nerves throughou...

Early detection of breast lumps is important. Conducting regular breast self-exams is a good way to get to know your breasts so that you can identify if your breasts change. If you notice n...

A breast lump can be described as a mass, growth, swelling, thickness or fullness. A breast lump can vary in the way it looks and feels. If you have a breast lump, you may notice: A dis...

If you're concerned about developing breast cancer, you might be wondering if there are steps you can take to help prevent breast cancer. Some risk factors, such as family history, can't be changed. H...

The main purpose of female breasts is to produce milk and nourishment for newborns. Breastfeeding can present many issues and concerns for moms, including pain, engorgement, pumping,&nb...

Everyone is born with a small amount of breast tissue. During puberty, women begin developing more breast tissue and men do not. Though breast cancer is most commonly thought of a disease that affects...

Mayo Clinic Health System is your resource for Department of Transportation (DOT) exams. Since 2014, providers performing Department of Transportation (DOT ) exams need to have completed an approved c...