Eye care
Learning Center
Video: Sentinel node biopsy for melanoma
Video shows sentinel node biopsy to determine whether melanoma has spread.
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.
How do COVID-19 antibody tests differ from diagnostic tests?
Antibody testing shows whether you've had the COVID-19 virus in the past. It's not the same as testing to see whether you have the virus now.
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
Breast biopsy
Learn about this test that's used to diagnose breast cancer, including why it's done, risks and what to expect.
Breast self-exam for breast awareness
Being aware of the look and feel of your breasts may make it more likely that you'll notice any changes that could be signs of breast cancer.
Pap smear
A Pap smear, also called a Pap test, is used for cervical cancer screening. Learn how it's done and what the results might mean.
Mayo Clinic Minute: What parents need to know about pink eye
Does your child have pink eye? Here are some simple tips to manage this common childhood illness.
Measles vaccine: Can I get the measles if I've already been vaccinated?
Is it possible to get measles from someone else if you've been vaccinated?
Scorpion sting
Scorpion stings are painful but rarely life-threatening. Young children and older adults are most at risk of serious complications.
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