Healthy diets
Learning Center
Gluten-free diet
Learn about foods that are acceptable in a gluten-free diet and tips for selecting healthy, nutritional options.
Caffeine content for coffee, tea, soda and more
Find out just how much caffeine is in coffee, tea, soda and energy drinks. You may be surprised at how much caffeine you're consuming.
Paleo diet: What is it and why is it so popular?
Is a diet based on what early humans might have eaten right for modern humans?
Slide show: Blood sugar testing
Blood sugar testing is an essential part of diabetes care. See how it's done.
Doppler ultrasound: What is it used for?
A Doppler ultrasound measures blood flow and pressure in blood vessels.
Biopsy: Types of biopsy procedures used to diagnose cancer
Learn about the different ways of collecting suspicious cells to test in the lab to diagnose cancer.
Blood pressure chart: What your reading means
Checking your blood pressure helps you avoid health problems. Learn more about what your numbers mean.
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: New definition of Alzheimer's changes
Researchers are changing the way they define Alzheimer's disease and opening the door for better research — and hopefully, better treatments.
Diagnosing Alzheimer's: How Alzheimer's is diagnosed
Even though there isn't a cure, early diagnosis of Alzheimer's dementia is important.
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