Newborn health
Learning Center
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
Calcium and calcium supplements: Achieving the right balance
Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros and cons of supplements.
Mayo Clinic Minute: Why the risk of frostbite is greater than you think
Learn why the risk of frostbite is greater than you think.
Coronary artery disease
Know the warning signs of this common heart condition often caused by clogged, narrowed arteries and how lifestyle changes can lower your risk.
Atrial fibrillation
A fast, pounding heartbeat could be due to AFib, a type of heart rhythm problem. Know the warning signs and when treatment is needed.
Abdominal aortic aneurysm
An aneurysm in the lower part of the aorta can grow slowly and silently. Know the symptoms of this dangerous condition and the treatment.
Nipple discharge
Fluid leaking from the nipples isn't often a sign of breast cancer. Learn more about the possible causes and when to see a doctor.
Bone density test
If your doctor suspects you have osteoporosis, a bone density test can assess your bone strength. Learn about the risks and results of this procedure.
Knee replacement
Knee replacement surgery can relieve pain and restore function to a knee joint that's severely damaged, usually by arthritis.
ANA test
An antinuclear antibody (ANA) test is one test used to help determine if you have an autoimmune disease such as lupus.
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