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Traumatic brain injury
If a head injury causes a mild traumatic brain injury, long-term problems are rare. But a severe injury can mean significant problems.
Transient global amnesia
When your memory suddenly disappears, it can be frightening — but transient global amnesia is typically temporary and harmless.
Transcatheter aortic valve replacement (TAVR)
This minimally invasive procedure to replace a narrowed aortic valve is an option to open-heart valve surgery. Learn about the benefits and risks of TAVR.
Tracheostomy
A surgically created hole in the front of the neck provides an air passage to help breathing when the usual route for breathing is blocked or reduced.
Toxic shock syndrome
Toxic shock syndrome is a rare, potentially fatal complication of certain types of bacterial infections. Learn about symptoms, risk factors and treatment.
Toxic hepatitis
Find out about symptoms and treatment for toxic hepatitis — liver inflammation caused by exposure to certain substances, such as alcohol or medications.
Tooth loss: First aid
If your tooth gets knocked out, handle it by the top only. Take steps right away so your tooth can be saved and successfully replanted.
Tonsillectomy
Learn how to prepare for a tonsillectomy and what to expect from the surgery.
Tonsil cancer
Find out how doctors use innovative treatments such as transoral robotic surgery and proton therapy to treat this type of throat cancer.
Tongue cancer
Learn how doctors use innovative operations, such as transoral robotic surgery, and radiation technology, including protons, for tongue cancer treatment.
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