Living smoke-free
Learning Center
Sick sinus syndrome
This heart rhythm disorder causes slow, paused or irregular heartbeats. Learn the symptoms and how it's treated.
Primary immunodeficiency
Frequent infections could mean you have an immune system disorder. The conditions in this category are usually caused by genetic changes.
Solid foods: How to get your baby started
Follow these tips for starting your baby on solid foods.
Mayo Clinic Minute: Why the risk of frostbite is greater than you think
Learn why the risk of frostbite is greater than you think.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
Retinoblastoma
Learn about the symptoms, causes and treatments for this eye cancer that occurs in young children.
Cerebral palsy
Learn about this group of conditions that affect movement. It's caused by damage to the developing brain, usually before birth.
Rheumatic fever
Learn about this complication of strep throat and scarlet fever and what you can do to prevent it.
Wilms tumor
Progress in the diagnosis and treatment of this kidney cancer have greatly improved the outlook for children with the condition.
What is thirdhand smoke, and why is it a concern?
Tobacco smoke creates toxic residue that clings to walls, carpets, clothes and other surfaces.
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