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Good News For all our Chocolate Cravings
by rukiyar, Apr 28, 2008 12:53PM
, Apr 28, 2008 12:53PM
NEW YORK (Reuters Health) - Indulging in chocolate during pregnancy could help ward off a serious complication known as preeclampsia, new research suggests.
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Chocolate, especially dark chocolate, is rich in a chemical called theobromine, which stimulates the heart, relaxes smooth muscle and dilates blood vessels, and has been used to treat chest pain, high blood pressure, and hardening of the arteries, Dr. Elizabeth W. Triche of Yale University in New Haven, Connecticut and colleagues write.
Preeclampsia, in which blood pressure spikes during pregnancy while excess protein is released into the urine, has many features in common with heart disease, the researchers add.
To investigate whether chocolate's possible cardiovascular benefits also might help prevent preeclampsia, the researchers looked at 2,291 women who delivered a single infant, and asked them about how much chocolate they consumed in their first and third trimesters. The researchers also tested levels of theobromine in infants' umbilical cord blood.
Women who consumed the most chocolate and those whose infants had the highest concentration of theobromine in their cord blood were the least likely to develop preeclampsia. Women in the highest quarter for cord blood theobromine were 69 percent less likely to develop the complication than those in the lowest quarter.
Women who ate five or more servings of chocolate each week in their third trimester of pregnancy were 40 percent less likely to develop preeclampsia than those who ate chocolate less than once a week.
A similar, but weaker, relationship between chocolate consumption and preeclampsia risk was seen in the first trimester, with women eating five or more servings of chocolate each week at 19 percent lower risk than those who ate chocolate less than once a week.
Theobromine could improve circulation within the placenta while blocking oxidative stress, or it could also be a stand-in for other beneficial chemicals found in chocolate, Triche and her team note in the May issue of Epidemiology.
"Our results raise the possibility that chocolate consumption by pregnant women may reduce the occurrence of preeclampsia," they write. "Because of the importance of preeclampsia as a major complication of pregnancy, replication of these results in other large prospective studies with a detailed assessment of chocolate consumption is warranted."
SOURCE: Epidemiology, May 2008.
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Chocolate, especially dark chocolate, is rich in a chemical called theobromine, which stimulates the heart, relaxes smooth muscle and dilates blood vessels, and has been used to treat chest pain, high blood pressure, and hardening of the arteries, Dr. Elizabeth W. Triche of Yale University in New Haven, Connecticut and colleagues write.
Preeclampsia, in which blood pressure spikes during pregnancy while excess protein is released into the urine, has many features in common with heart disease, the researchers add.
To investigate whether chocolate's possible cardiovascular benefits also might help prevent preeclampsia, the researchers looked at 2,291 women who delivered a single infant, and asked them about how much chocolate they consumed in their first and third trimesters. The researchers also tested levels of theobromine in infants' umbilical cord blood.
Women who consumed the most chocolate and those whose infants had the highest concentration of theobromine in their cord blood were the least likely to develop preeclampsia. Women in the highest quarter for cord blood theobromine were 69 percent less likely to develop the complication than those in the lowest quarter.
Women who ate five or more servings of chocolate each week in their third trimester of pregnancy were 40 percent less likely to develop preeclampsia than those who ate chocolate less than once a week.
A similar, but weaker, relationship between chocolate consumption and preeclampsia risk was seen in the first trimester, with women eating five or more servings of chocolate each week at 19 percent lower risk than those who ate chocolate less than once a week.
Theobromine could improve circulation within the placenta while blocking oxidative stress, or it could also be a stand-in for other beneficial chemicals found in chocolate, Triche and her team note in the May issue of Epidemiology.
"Our results raise the possibility that chocolate consumption by pregnant women may reduce the occurrence of preeclampsia," they write. "Because of the importance of preeclampsia as a major complication of pregnancy, replication of these results in other large prospective studies with a detailed assessment of chocolate consumption is warranted."
SOURCE: Epidemiology, May 2008.
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