Healthy retirement
Learning Center
COVID-19, cold, allergies and the flu: What are the differences?
Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about links between this key vitamin and the widespread viral infection.
Tips for choosing and using canes
A cane can improve balance and mobility. Learn about the choices that are available and how to use a cane correctly.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Mayo Clinic Minute: Why the risk of frostbite is greater than you think
Learn why the risk of frostbite is greater than you think.
Fainting during urination (micturition syncope): What causes it?
Fainting during or immediately after urination, called micturition syncope, is a rare occurrence in healthy individuals.
Holter monitor
This wearable device keeps track of the heart's rhythm during daily activities. Learn when you might need one and what to expect.
Vitamin D deficiency: Can it cause high blood pressure?
Too little vitamin D is bad for the bones, but what about the heart? Learn how a low vitamin D level may affect blood pressure.
Bedsores (pressure ulcers)
These areas of damaged skin and tissue are caused by sustained pressure — often from a bed or wheelchair — that reduces blood flow to vulnerable areas of the body.
Molecular breast imaging
Learn about this breast cancer screening test that's sometimes used in addition to mammograms, especially for those with dense breast tissue.
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