Nutrition basics
Learning Center
Coconut water: Is it super hydrating?
This drink is promoted as "super hydrating." But is it really any better than plain water?
Coffee and health: What does the research say?
Has coffee gotten a bum rap? Can it be part of a healthy diet?
Coping with pain after breast surgery
Pain is common after mastectomy and other breast cancer operations. Find out what causes it and learn about treatment options.
Coronary artery spasm: Cause for concern?
This sudden, temporary squeezing of an artery reduces blood flow to the heart. Know the causes and treatment.
Diabetes and depression: Coping with the two conditions
Diabetes and depression can occur together. Here's what you need to know.
Diet soda: How much is too much?
Diet soda may help you cut calories, but other low-calorie options abound.
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.
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