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When blood supply is cut off from the brain, cells start to die from lack of oxygen. Within minutes, skills such as reasoning, speech, and movement of the arm, leg, or face may be affected. The type of skills and the amount of loss depend on which part of the brain was affected, and how much tissue was damaged.

An abscess is a sac of pus. A dental abscess forms when a tooth or the tissue around it becomes infected with bacteria. Read on to learn more.

Prostate needle biopsy is a test to look for prostate cancer. During the test, a thin, hollow needle is used to take small samples of tissue from the prostate. The samples are then tested in a lab.

The subclavian artery carries blood from your heart to your arms. If an aneurysm forms in this artery, it must be repaired before something serious occurs. This is done using open subclavian aneurysm repair.

New vaccines are being developed for cancer. Learn more about these vaccines.

When you have COPD, you may have extra mucus. Learn about coping with extra mucus, including treatment and self-care tips.

When you have COPD, it is common to have wheezing and chest tightness. Learn more about these COPD symptoms, including treatment and self-care tips.

During this surgery, the surgeon removes the damaged part of the lung. This allows the rest of the lung to work better.

If you have a loved one with a traumatic brain injury, it is important to learn as much as you can about the condition so you can take an active role in caregiving.