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new discoveries every day. The field of the heart is no different. It is hard to follow what scientists discovered recently. Here is a summary of the latest news on heart health.

1. People who survived heart attack are at risk for diabetes or prediabetes, according to Harvard researchers. A study of 8300 Italians who had survived a heart attack showed that after 3.5 years, almost two thirds of them or 62% developed diabetes or prediabetes.

2. HDL, the so-called "good" cholesterol, have a bad side, so researchers at the University of Washington in Seattle. They found that defective forms of HDL may increase the risk of a heart attack. But, but the substance is an advantage.

3. First, scientists told us that a high level of vitamin E are not as good at preventing a heart attack. Late, researchers at Vanderbilt University Medical Center, said that the failure of vitamin E to prevent heart attacks because of under-dosing.

4. The World Health Organization announced a report, which suggests that people are dying of heart disease caused by prolonged exposure to excessive noise. British doctors found that 3 percent of fatal heart attacks and strokes associated with the noise. Researchers at University College London, that on more than 75 decibels can be blood pressure to a great extent.

5. A new study shows animal that excessive exercise can worsen high blood pressure and progression to heart failure. The implications for humans are not yet clear, but the results warn against the potential damage too much exercise can do to people with untreated hypertension.

6. Plant compounds - sterols and stanols - are very good at protecting the human heart. They are found in fruits, vegetables, nuts and oils. If you are adding 2g of either to your daily diet can lower your risk of heart disease by 20 percent within 14 days.

7. Some people with high blood pressure develop heart failure, while others do not. Scientists at the Washington University School of Medicine in St. Louis that a lack of a protein with the name in connection with estrogen receptor alpha is responsible for this incident.

8. Antioxidants play an important role in defense against heart disease. But, too much of reduced glutathione can contribute to the disease, according to University of Utah researchers. They showed that an overload of the antioxidant may be heart failure.

9. A recent study published in the American Journal of Clinical Nutrition showed that his two to three daily cups of caffeinated beverages, including coffee, may increase the risk of heart disease death by 31 percent.

10. Too much salt in the diet can lead to high blood pressure and increased risk of heart attack or stroke. The average American consumes 4000 to 6000 milligrams of salt per day. The American medical institutions recommend a limit of 1,500 mg to 2,400 mg per day.

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