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Vitamin C: Tips For Increasing Your Intake
A new RDA?

According to a recent issue of the Journal of the American Medical Association (JAMA), the National Institutes of Health is taking another look at the Recommended Daily Allowance (RDA) for vitamin C. The current RDA for vitamin C is 60 milligrams per day—about the amount you get from one orange. Due to recent findings on the potential health benefits of this wonder vitamin, the NIH is now considering boosting the RDA to somewhere between 100 and 200 milligrams per day, two to three times the current recommendation.
Why all the hype?

Vitamin C has long been known for its value as an antioxidant. Antioxidants are natural compounds found in many of the foods we eat. The most well known antioxidants are vitamin C, selenium, beta carotene and vitamin E. Antioxidants work by inhibiting toxic substances in the body (also known as "free radicals") which may lead to the development of cancers, heart disease and the aging process. There has been a strong correlation between diets high in fruits and vegetables (which are rich in antioxidants) and reduced risk of chronic diseases. Vitamin C may account for much of this protection. However, we are also finding numerous other compounds within fruits and vegetables, collectively called "phytochemicals", that may also play a preventative role. Phytochemicals are defined simply as chemicals found in plants. They occur naturally in fruits, vegetables, grains, nuts and seeds. These substances, many of which also have an antioxidant effect, may protect our bodies from cellular damage that can lead to cancer and other chronic diseases.

Due to the strong correlation between diets abundant in fruits and vegetables and disease prevention, The National Cancer Institute launched the "5-A-Day" program. The basis of this campaign promotes the intake of a minimum of five fruits and vegetables daily as a good defense against cancer and other diseases. A specific recommendation of this program is to include vitamin C rich fruits and vegetables in the diet each day since vitamin C is a particularly well-researched antioxidant. The mainstay of the program, however, is that by eating five servings of produce daily we can easily take in not just a good dose of vitamin C, but the minimum amount of protective plant chemicals shown to be effective in reducing risk of chronic diseases. Remember, five is the minimum amount. In the case of fruits and veggies it's definitely a situation where more is better!

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Want Leaner Kids? Parents May Need to Toe the Line

SUNDAY, Oct. 11 (HealthDay News) -- It's a trend that has health experts worried: Young kids are becoming increasingly oversized -- leading, they fear, to overweight teens and, ultimately, overweight adults with health problems.

But parents could be poised to do something about this. After all, some experts contend, parents are part of the problem.

"Parents might be contributing to the overweight epidemic," said Dr. Elsie Taveras, an assistant professor of pediatrics at Harvard Pilgrim Health Care and Harvard Medical School, who has researched the issue.

They do so unwittingly, of course, Taveras said. And the point is not to make parents feel guilty about contributing to their children's weight problems, she said, but to get the word out because the trend is headed in the wrong direction.

Today in the United States, infants up to 6 months old are 59 percent more likely to be overweight than were babies 20 years ago, according to a study published in Obesity.

In her research, Taveras discovered that infants who gain weight quickly early in life face weight problems by the time they're toddlers.

"What we found was, those children who gained more weight and gained it more quickly in the first six months of life had a higher risk of obesity when they were 3 years old," Taveras said. Her study was reported in Pediatrics.

The way parents feed their infants might play a role in this weight gain, another study found.

John Worobey, a professor and chairman of the nutritional sciences department at Rutgers University in New Jersey, evaluated the behavior of mothers as they fed their babies. His team followed 96 mother-child pairs, asking the mothers questions -- such as what they did when their babies got fussy -- and watching them feed their children formula.

Mothers who fed their babies eight times a day, on average, rather than seven and "who were less sensitive in reading their baby's satiety cues," Worobey said, had babies who gained more weight between ages 6 and 12 months. The findings were reported in the Journal of Nutrition Education and Behavior.

One solution, he said, is for parents to pay closer attention to their baby's cues, asking their pediatrician for help if they aren't certain how to read those cues.

"Pulling the head away from the bottle is the infant's way to signal, 'Hey, I don't want to do this anymore,'" Worobey said. But the cue is often not noticed.

One way to remedy that, he suggests, is for parents to avoid feeding their infants while watching television. "You may be paying more attention to the TV," he said. "It's better to make it one-on-one time."

There could be cultural myths at work, too, he said, with some cultures still believing that a chubby baby is a healthy baby.

Taveras urged parents to check in often about weight with their infant's pediatrician. With about four "well-baby" visits in the first six months, parents should remember to ask each time about their child's weight. "They should discuss with their clinician how their child is growing," she said.

But the parental link to youngsters' weight might start well before birth, perhaps even before pregnancy.

Reporting in the Maternal and Child Health Journal, researchers found that women who start pregnancy at a normal weight but gain more than 25 to 35 pounds increase their child's risk for being overweight at age 3.

More information

The Nemours Foundation has more on overweight and obese kids.

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