In Focus:

Too Little Iodine Could Harm a Woman's Fertility

 Nearly half of U.S. women have at least a mild deficiency in the nutrient iodine, and new research suggests it could impair their fertility.

Iodine -- a mineral that helps regulate metabolism -- is found in seafood, iodized salt, dairy products, and some fruits and vegetables

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Three coffees a day linked more to health than harm, scientists say

People who drink three to four cups of coffee a day are more likely to see health benefits than harm, experiencing lower risks of premature death and heart disease than those who abstain, scientists said Wednesday. A team which collated the findings of more than 200 previous studies also found coffee...

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Contagious Yawns May Show Social Bonds

Yawns may be contagious for good reason. A new study suggests that yawning after someone else yawns may be a sign of social empathy and emotional bonds between family and friends. Researchers found that people are more likely to respond to a yawn with another yawn if the other person is a...

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Do You Know What Your Cholesterol Level Is?

 When it comes to screening for cholesterol levels, the country could be doing better, according to a study from the CDC released just in time for the National Cholesterol Education Month in September. But, the report concluded, we could also be doing worse...

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