Stress basics
Learning Center
Chronic stress puts your health at risk
Your body's stress reaction was meant to protect you. But when it's always on alert, your health can pay the price.
Stress symptoms: Effects on your body and behavior
Learn how stress symptoms can affect your health so that you can take action.
Childhood obesity
Childhood obesity can lead to various conditions, including type 2 diabetes and high blood pressure. Learn how to protect your child's health.
Stress and hair loss: Are they related?
Learn how stress and hair loss can be related.
Priapism
Understand the symptoms, possible causes and treatment of prolonged erection of the penis, including when to seek emergency care.
Henoch-Schonlein purpura
Learn about the symptoms, causes and treatment of this blood vessel disease, also called IgA vasculitis, that causes a purplish rash on the lower legs.
Male hypogonadism
This condition affects the ability of men's bodies to produce enough testosterone or enough sperm or both.
Retrograde ejaculation
Learn about the symptoms and treatment options for this condition that can cause male infertility.
Erectile dysfunction: Nonoral treatments
Get the facts about shots, penis pumps and other ED treatments that don't involve taking medicine by mouth.
Spermatocele
Learn more about this noncancerous testicular disorder that may require surgery if it's causing discomfort. But, the condition often needs no treatment.
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