Talking to kids about sex
Learning Center
Coconut oil: Can it cure hypothyroidism?
This oil has been touted by some as a cure for hypothyroidism. Truth or hype?
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?
Coffee calories: Sabotaging your weight loss?
Plain coffee has only a few calories. But the calories jump up when adding extras.
Cold and flu viruses: How long can they live outside the body?
Some viruses are more resilient than you may think. Learn more about how they spread and how to protect yourself.
Cold or allergy: Which is it?
Although colds and seasonal allergies share some of the same symptoms, they are very different diseases. Learn how to tell the difference.
Cold symptoms: Does drinking milk increase phlegm?
Colds mean extra thick and sticky mucus, but dairy milk doesn't make phlegm worse.
Colloidal silver supplements: Are they safe?
Colloidal silver supplements are often promoted as cure-alls, but evidence of effectiveness is lacking. Side effects range from change in skin color to organ damage.
Colon cancer screening: At what age can you stop?
Some groups recommend people over 75 may consider stopping colon cancer screening. Not everyone agrees. Learn about your colon cancer screening options.
Colon cleansing: Is it helpful or harmful?
Get the facts before you try this technique that's popular among some people who practice alternative medicine, who claim it has many health benefits.
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