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Learning Center
Tricuspid atresia
Learn how this congenital heart defect blocks blood flow from the heart to the lungs. Treatment involves multiple surgeries.
Trichomoniasis
This common sexually transmitted infection is caused by a parasite. Reduce your risk by using condoms when you have sex.
Transposition of the great arteries
This serious, rare heart problem present at birth requires surgery to correct. Learn about its symptoms and treatment.
Toxoplasmosis
Learn about symptoms, causes, treatment and prevention of this parasitic infection that can cause severe disease.
Total anomalous pulmonary venous return (TAPVR)
In this congenital heart condition, the lung's blood vessels attach to the wrong places in the heart. Know the symptoms and how it's diagnosed.
Tongue-tie (ankyloglossia)
With tongue-tie (ankyloglossia), a band of tissue (frenulum) tethers the tongue, restricting the range of motion. Learn about symptoms and treatment.
Tetralogy of Fallot
These four heart problems present at birth change how blood flows through the body. Know the symptoms and treatment.
Tay-Sachs disease
This rare, inherited disease causes a buildup of fatty acids that damages the brain and typically results in muscle control loss, blindness and paralysis.
Spitting up in babies: What's normal, what's not
Spitting up in babies is common — and usually nothing to worry about.
Spina bifida
Learn about this condition in which an unborn baby's spine and spinal cord don't form properly. Surgery during pregnancy may be a treatment option.
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