Healthy diets
Learning Center
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
Vaccines for adults: Which do you need?
Vaccines offer protection from infectious diseases. Find out how to stay on top of the vaccines recommended for adults.
Vaccines during pregnancy: Are they safe?
Find out which vaccinations you need while pregnant and which ones to stay away from.
Undescended testicle
Learn about causes, complications and treatment of this condition in which one or both testicles aren't in the usual place within the scrotum.
Trichotillomania (hair-pulling disorder)
In this mental health condition, people can't resist urges to pull out hair from their body. They do this often. Therapy may help reduce or stop urges.
Transurethral resection of the prostate (TURP)
Learn about this procedure used to treat urinary problems caused by an enlarged prostate gland.
Transurethral microwave thermotherapy (TUMT)
Learn about this minimally invasive procedure for treating an enlarged prostate, including how it's done and possible risks and benefits.
Transurethral incision of the prostate (TUIP)
Learn about this procedure for treating an enlarged prostate, including how it's done and possible risks and benefits.
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.
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