Staying healthy
Learning Center
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.
VLDL cholesterol: Is it harmful?
Like LDL cholesterol, very-low-density lipoprotein (VLDL) cholesterol is considered a type of 'bad' cholesterol.
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.
Types of psoriasis
Learn to identify types of psoriasis, such as guttate psoriasis and scalp psoriasis, by appearance.
Types of dermatitis
Learn to identify types of dermatitis by how the skin looks. Examples include atopic dermatitis, contact dermatitis and seborrheic dermatitis.
Triglycerides: Why do they matter?
Like cholesterol, triglycerides can cause health problems. Here's how to lower your triglycerides.
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.
Transgender facts
Know the basics about sex and gender, including common terms and definitions.
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