Sleep
Learning Center
Sleep-tracking devices: Dos and don'ts
Sleep trackers may help improve your sleep, but don't jump to conclusions based on your data. Get the facts from a Mayo Clinic wellness specialist.
Sleepwalking
People who get up and walk around while sleeping may not need treatment. But if it happens often, it could be a sleep disorder that needs treatment.
Slide show: 10 great health foods
Add these health foods to the menu and give your diet a healthy boost.
Slide show: Add antioxidants to your diet
Antioxidants may play a role in preventing heart disease, cancer and other diseases. See which foods are abundant in antioxidants.
Sodium nitrate in meat: Heart disease risk factor?
Sodium nitrate, a preservative in some meats, may increase your heart disease risk.
Spermatocele
Learn more about this noncancerous testicular disorder that may require surgery if it's causing discomfort. But, the condition often needs no treatment.
Spirituality and stress relief: Make the connection
Stress relief: Discover the connection between spirituality, stress relief and a healthier, happier life.
Stage 4 prostate cancer
Find out about diagnosis and treatment of this cancer that has spread to the lymph nodes or other parts of the body.
Staying healthy in school: Kid-friendly tips
Consider these tips for keeping your kids healthy in school.
Stomach flu: How long am I contagious?
Depending on which virus causes your stomach ailment, you can be contagious from a few days to two weeks or more.
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