Fitness basics
Learning Center
Thyroid disease: Can it affect a person's mood?
Thyroid disease can affect mood, but those symptoms are rarely the only evidence of thyroid disease.
Thrombocytopenia (low platelet count)
Thrombocytopenia — Comprehensive overview covers symptoms, causes, treatment of a low platelet count.
Thermometers: Understand the options
Thermometers come in a variety of styles. Find out the pros and cons of different types of thermometers.
The dawn phenomenon: What can you do?
Take steps to prevent this early-morning increase in blood sugar.
Thalassemia
Some forms of this inherited blood disorder usually show up before the age of 2, often causing anemia. More severe forms of the disease require regular blood transfusions.
Tetralogy of Fallot
These four heart problems present at birth change how blood flows through the body. Know the symptoms and treatment.
Testosterone therapy: Potential benefits and risks as you age
Testosterone therapy — Explore the potential benefits and risks of increasing your testosterone level.
Testicular torsion
Sudden, severe pain in the scrotum could be testicular torsion. Learn about symptoms and treatment for this health emergency.
Testicular microlithiasis: Is it linked with testicular cancer?
A Mayo Clinic specialist discusses the relationship between testicular microlithiasis and testicular cancer.
Testicular exam
Examining your testicles regularly can help you notice changes when they occur and identify testicular problems.
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