Fitness basics
Learning Center
Vitamin D for babies: Are supplements needed?
A Mayo Clinic specialist explains why, when and how to give your baby vitamin D.
Ventricular septal defect (VSD)
In this heart problem present at birth, there is a hole between the two lower heart chambers. Know the symptoms and when surgery is needed.
Thalassemia
Some forms of this inherited blood disorder usually show up before the age of 2, often causing anemia. More severe forms of the disease require regular blood transfusions.
Mayo Clinic Minute: The road to hearing for baby Aida
Learn about a child with deafness treated at Mayo Clinic with cochlear implants.
Mayo Clinic Minute: How to hit your target heart rate
Learn how to exercise at your target heart rate.
How fit are you? See how you measure up
Find your fitness level with these simple fitness tests.
Heart rate: What's normal?
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
Green stool
Learn about the possible causes of green stools in adults and infants.
Frostbite
Learn how to prevent cold injury to the skin when outdoors in freezing temperatures and how to treat and recover from frostbite.
Fitness training: Elements of a well-rounded routine
Is your fitness training program complete? Here's help to make sure you have all the basics in your program.
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