Nutrition basics
Learning Center
Time to cut back on caffeine?
That morning cup of coffee or early afternoon soda is probably OK. But more than 400 milligrams of caffeine a day, or more than about four cups of coffee, can cause insomnia, restlessness, headaches and other problems. Start paying attention to how much caffeine you're getting from foods and beverages. Check labels. If you decide to cut back, do it gradually. For example, drink a smaller cup of coffee each day. This will help your body get used to the lower levels of caffeine and lessen potential withdrawal effects.
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.
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.
Tetanus shots: Is it risky to receive 'extra' boosters?
For adults, tetanus shots are recommended every 10 years.
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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