Teen health
Learning Center
Tricuspid valve repair and tricuspid valve replacement
These heart surgeries treat tricuspid valve regurgitation and stenosis and Ebstein anomaly, a type of congenital heart defect. Learn how they're done.
Triple X syndrome
Females with this genetic disorder have three X chromosomes instead of two. Symptoms can be mild or include developmental delays and learning disabilities.
Truncus arteriosus
Learn more about this congenital heart defect that makes it difficult for the heart to pump the right amount of blood to the lungs and the body.
Tubal ligation
Thinking of getting your tubes tied? This surgery offers a permanent form of birth control. Know the risks and what to expect.
Tuberous sclerosis
This uncommon genetic disorder causes tumors that are not cancer. These tumors are unexpected overgrowths of tissue in different parts of the body.
Tumor vs. cyst: What's the difference?
A Mayo Clinic expert explains the differences and similarities between these two types of growths and how doctors determine if they're cancerous.
Turner syndrome
Turner syndrome affects only females as the result of a missing or partially missing X chromosome, causing a variety of medical and developmental problems.
Twin pregnancy: What twins or multiples mean for mom
Twin pregnancy or other multiples? Here's help taking care of yourself — and your babies.
Type 1 diabetes
Learn about the symptoms, causes, treatment of this chronic condition in which the pancreas produces little or no insulin.
Type 1 diabetes in children
Know what symptoms to look for, as well as more about diagnosis, treatment and daily living with this lifelong insulin-dependent condition.
Refine Your Search
Type
- All
- Disease (280)
- Article (135)
- Answer (117)
- TestProcedure (101)
- Video (21)
- Symptom (12)
- SlideShow (6)
- HealthTip (1)
Gender
Age
- All
- 19 to 44 younger
- 45 to 64 middle
- 02 months to 2 years infant/toddler
- 03 to 5 years preschool
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 00 birth to 01 month newborn
- 65 to 80 older
- 80 and over
- 06 to 10 years elementary
- 29 to 40 middle