Nutritional supplements
Learning Center
Does soy really affect breast cancer risk?
Soy foods reduce the risk of breast cancer, but more research is needed to determine whether soy supplements are equally beneficial.
Does sunscreen expire?
Wondering whether sunscreen expires? Get the facts about how long sunscreen lasts.
Doppler ultrasound: What is it used for?
A Doppler ultrasound measures blood flow and pressure in blood vessels.
Drinking alcohol: Is it safe after hepatitis C cure?
Your hepatitis C infection has been cured, but is it safe to drink alcohol again?
Dry mouth treatment: Tips for controlling dry mouth
To ease dry mouth, chew sugar-free gum or suck on sugar-free hard candy to keep saliva flowing. Limit caffeine and don't use tobacco. Sip water regularly.
Early HIV symptoms: What are they?
Early signs of the disease can include fever, fatigue and swollen lymph glands. Learn more.
Early miscarriage: Is stress a factor?
Early miscarriage is usually caused by an abnormality with the baby — not maternal stress.
Eating the placenta: A good idea?
Despite claims of benefits, eating the placenta after giving birth can be harmful.
Ebola transmission: Can Ebola spread through the air?
Ebola virus: A Mayo Clinic expert explains how the virus spreads
Eczema bleach bath: Can it improve my symptoms?
A diluted bleach bath may help treat chronic eczema.
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