Take your vitamins before diving in

A new study in the Journal of Physiology finds that divers can protect themselves from some of the blood vessel impacts of diving by taking vitamins C and E two hours before a dive. The vitamins seem to help because they are antioxidants, the study authors write. The oxygen tanks scuba divers use underwater expose their blood vessels to high levels of oxygen. When the divers return to the surface, this exposure can leave their blood vessels dilated and can impair the lining of their arteries for days afterward, they write. All it took was a single dose of vitamin C powder (2 grams) and a dose of vitamin E (400 international units) to mitigate the effects. What the vitamins didn't help, the authors report, was the decrease in lung function and heart output that can be caused by scuba diving.

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Divers could benefit from vitamins

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Call 4 Action: Some Vitamins Cause More Harm Than Help

The claim commonly made by many leading multivitamin makers is that by taking one a day, you'll lead a healthier life, but a new study reveals that in some cases, what you see on the label is not what you're really getting. In fact, some vitamins might do more harm than good. An independent laboratory called ConsumerLab.com recently tested 21 of the leading multivitamins and found that 11 of them, plus another vitamin for pets, failed to provide what's on the label. .

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Daily Vitamins Are a Good Way to Improve Health

If you resolved to improve your health this year, taking a daily multivitamin is a good way to keep that promise, especially if you're a woman of childbearing age. January 8 through 14 is National Folic Acid Awareness Week and an ideal time to make this important and affordable health commitment. "By taking a daily multivitamin, women are giving Tennessee's babies the best possible start. I ask that all women of childbearing age take this simple step to improve health for life for our babies," said Governor Phil Bredesen. "Far too many babies don't live to see their first birthday in Tennessee, and simple steps like these are part of our plan to reduce infant mortality and improve birth outcomes in our state." The Tennessee Department of Health and other health organizations have long recommended that most women take a multivitamin along with eating a varied, healthy diet.

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Increasing Intake Of Vitamins C, E Can Reduce Kidney Cancer Risk

Milan, Italy (AHN) - A recent study conducted by Italian researchers revealed that increased intake of the antioxidant vitamins C and E can reduce the risk of kidney cancer by 28 and 44 percent respectively. Researchers found that more than 80 percent of all kidney cancers are caused by renal cell carcinoma (RCC). They also revealed that an intake of more than 186 micrograms per day of vitamin C was associated with a 44 percent reduced risk of renal cell cancer, compared to those who took the average daily amount of 89.4 micrograms. "Vitamin E may represent an indirect indicator of a diet rich in vegetables, which are usually consumed with olive oil in this population, and have been related to a reduced risk of RCC," lead author Cristina Bosetti from Milan's Istituto di Ricerche Farmacologiche described.

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Toxic Vitamins

If you're like millions of Americans.. You popped a vitamin this morning, assuming that it was a safe way to stay healthy. But a new study reported his morning says some vitamins may actually be harmful to your health Many people need a vitamin supplement to guarantee their daily nutritional needs are being met. Most people believe if it's on the label, it's in the pill, but new tests show that's not always true. ConsumerLab.com independently tested a variety of brands. It found that not all delivered what was promised, and one for children even contained a potentially harmful amount of vitamin. Vitamins and other dietary supplements don't go through the same testing as medicines, so it's buyer beware.

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Test Show Vitamins Labels Often Misleading

In a recent test on 21 over-the-counter vitamins, only half were found to have the correct amounts of vitamins or minerals that are indicated on their labels. Results showed that some of the vitamins tested did not contain all of the ingredients promised on the labels. Others contained them in a dangerous amount. Cardiologist Dr. David Becker said, You really dont know what youre getting when you take many of these supplements. He described the results of the study as disturbing. Becker runs clinical trials but tests his supplements with ConsumerLab.com, the company that selected the vitamins in this study. He said that he often finds that companies do change their active ingredients without notice. Some of the products were found to be contaminated with lead.

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