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|Reseal the bag||09/06/17|
|Low-carb beats low-cal (except when it isn't)||08/30/17|
|The power of movie tie-ins||08/23/17|
|Diet sodas may still increase your risk of diabetes||08/16/17|
|Fight hunger - with chewing gum||08/09/17|
|Should you eat more frequently? Probably not||07/26/17|
|Drink coffee, live longer||07/19/17|
|Which fats are linked with diabetes risk?||07/12/17|
|Low fat diets may actually be bad for you||07/05/17|
|All Health and Nutrition Bites|
Coffee Reduces Inflammation Markers
There have been conflicting studies about the effects of coffee-drinking on overall markers of inflammation as well as the function of the endothelium (the lining of the arteries). The theory is that inflammation can cause a lack of proper responsiveness of the artery as far as relaxation, as well as impairing its ability to respond to injury and inflammation.
All About Tomatoes
For two decades now there has been controversy surround the government labeling tomato paste as a vegetable so that it will pass for one on kid's plates in school lunch programs. While I am not one who believes that tomato paste should be labeled a vegetable, a big serving of good quality tomato sauce should probably qualify.
Tomatoes, Olive Oil, and Heart Disease
The Mediterranean Diet has been shown to protect against heart disease, but just why it does so isn't quite clear. Its effects have been credited to a variety of foods in the typical Mediterranean Diet, including components of the fruits and vegetables and the red wine. The effects have also been credited to tomatoes and tomato products, which are an important source of lycopenes.
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Blood platelets are just one of the important clotting agents in the bloodstream. For those with heart disease, we know that in many cases reducing blood platelet activity by taking daily doses of aspirin or Plavix® can help prevent further heart attacks. This treatment can also help reduce the incidence of stroke by up to 30% in those who have had a cerebral infarction (stroke) or transient ischemic event (sometimes called mini-strokes). It's been suggested that all persons over 55 might benefit from a daily dose of an antiplatelet agent like aspirin or Plavix, but the side effects, which include gastric bleeding and stroke, outweigh the benefits.
A team of researchers in Manchester, UK, have been working on an alternative: tomato extract. They had found in a previous study that in a controlled environment, tomato extracts acted as an antiplatelet agent. To confirm their findings, they needed to test tomato extracts on healthy volunteers (Am J Clin Nutr 2006;84(3):561-9).
90 healthy volunteers between the ages of 45 and 70 were recruited to participate who had no history of blood disorders and had normal blood platelet function. Those who were taking dietary supplements, such as primrose oil or fish oils, were excluded, and the participants were instructed to avoid taking medications that affected platelet function (such as aspirin) for ten days before the study period as well as during the study period.
Each subject gave two blood samples, three hours apart, once a week for three weeks. After the first blood sample was taken, each subject was given a flavored juice drink of one of three varieties: A control drink, containing no tomato extract; a drink containing the equivalent of the extract of 2 tomatoes; or a drink containing the extract of 6 tomatoes. The drink was flavored so that the subjects could not tell by taste whether there was tomato extract in the drink. The subjects' blood was drawn again three hours after drinking the supplement, and their blood platelet activity was measured in both samples and compared.
They found that in over half of the men, and slightly fewer women, the tomato extract drink containing the extract of 2 tomatoes inhibited blood platelet activity - a result that's similar to the effectiveness of aspirin. The stronger extract drink had a greater effect than the 2 tomato extract supplement, and overall men seemed to respond more to either tomato-containing drink than women.
This is a very encouraging study, although it's too soon to quit taking your aspirin or Plavix in favor of eating tomatoes. Besides, who needs an excuse to eat tomatoes? Make your own pasta sauce (from canned or fresh tomatoes) and enjoy!