Fitness basics
Learning Center
Low blood sodium in older adults: A concern?
For older adults, low blood sodium, known as hyponatremia, can cause death if left untreated.
Lung nodules: Can they be cancerous?
Lung nodules are common. Most aren't cancer. Find out what tests might be recommended if you have a lung nodule.
Macrocytosis: What causes it?
Enlarged red blood cells (macrocytosis) can be due to many factors.
Mayo Clinic Minute: Arteriovenous malformation or AVM
Learn more about the symptoms of a brain arteriovenous malformation (AVM), and the treatments available for these tangled blood vessels.
Mayo Clinic Minute: Demystifying epilepsy
Epilepsy is a fairly common condition, but seizures can usually be controlled with medications.
Mayo Clinic Minute: How to hit your target heart rate
Learn how to exercise at your target heart rate.
Mayo Clinic Minute: Meningitis 101 for college students
College life can increase the risk of bacterial meningitis, a potentially serious infection – but a vaccine can offer protection.
Mayo Clinic Minute: Restless legs syndrome in kids
This sleep disorder is common in children and can lead to daytime sleepiness and attention problems.
Mayo Clinic Minute: What are eye floaters?
Most eye floaters are harmless, but occasionally they could mean a serious problem.
Mayo Clinic Minute: What is an aneurysm?
An aneurysm is an abnormal bulge in a blood vessel wall that can lead to a life-threatening rupture.
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