Talking to kids about sex
Learning Center
Gastric bypass (Roux-en-Y)
Gastric bypass is a type of weight-loss surgery that reduces your stomach to the size of a walnut. Learn about its risks and benefits.
Gender-affirming (transgender) voice therapy and surgery
Learn how voice therapy and surgery can help achieve a communication style to match gender identity.
Gene therapy
In this procedure, specialists aim to fix or replace a faulty gene to try to cure a disease or make the body better able to fight a disease.
General anesthesia
This sleep-like state during surgery allows you to undergo major medical procedures without feeling pain.
Genetic testing
Genetic testing: Learn why it's done, how to prepare and what to expect from diagnostic tests, carrier tests, prenatal tests and newborn screening.
Glucose challenge test
Know how to prepare for this gestational diabetes screening test.
Glucose tolerance test
These simple blood tests are performed to screen for diabetes. Your healthcare professional may suggest one or more of these tests depending on your risk factors.
HIDA scan
Find out what to expect during a HIDA scan — a nuclear imaging procedure used to diagnose liver, gallbladder and bile duct problems.
HPV test
This test can help show the risk of cervical cancer. Learn more about how to prepare and what the results may mean.
Hand transplant
Find out what's involved in this surgery in which someone with an amputation receives one or two hands from a donor.
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