According to the Centers for Disease Control and Prevention, most Americans are not eating enough fruits and veggies. Federal goals suggest at least two servings of fruit and three servings of vegetables every day:

"Over the last decade we have looked at behavioral intervention, like counseling to get people to include their fruits and vegetables," said report co-author Dr. Jennifer Foltz, a researcher in the CDC's National Center for Chronic Disease Prevention and Health Promotion. "But it's not so easy."

"In the next decade, we are going to work on making the healthy choice the easy choice," she said.

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The secret to a long life may be just within your grip. British researchers believe a firm handshake coincides with a healthy diet and plenty of exercise, factors that contribute to longevity:

From the 14 studies that dealt with grip strength, the researchers found that those with the weakest handshakes were 70 percent more likely to die at any given time than those with the strongest handshakes.

They reached their conclusions after taking age, sex, and body size into account.

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Findings from the National Science Foundation reveal a link between not enough sleep as infants and toddlers, and the risk of childhood obesity after age 5:

"Napping had no effects on the development of obesity and is not a substitute for sufficient nighttime sleep," the investigators warned in the paper.

Tired kids may exercise less and eat more, but too little sleep may also have an impact on key hormones that regulate weight and metabolism, they noted.

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