Healthy diets
Learning Center
COVID-19: Who's at higher risk of serious symptoms?
Advanced age and some health conditions can raise the risk of serious COVID-19 (coronavirus disease 2019) illness.
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.
Calcium supplements: A risk factor for heart attack?
Learn about the possible link between calcium supplements and heart attacks.
Cancer risk: What the numbers mean
The news is full of reports about cancer risk, but what does it all mean for you? Find out how to interpret cancer statistics.
Canola oil: Does it contain toxins?
Health concerns about canola oil abound on the internet but are unfounded.
Carbohydrate-loading diet
Read about the potential benefits of eating extra carbohydrates before endurance exercise. Diet details and a sample meal plan are included.
Cellulitis: How to prevent recurrent episodes
Learn to treat and prevent recurrent cellulitis.
Cervical length: Why does it matter during pregnancy?
If cervical length during pregnancy shortens too soon, there might be an increased risk of preterm labor.
Circumcision (male)
Learn about the benefits and risks of surgery to remove the skin that covers the tip of the penis.
Clear liquid diet
Need to be on a clear liquid diet? Learn which foods to eat and which foods to avoid.
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