Some popular herbs, such as ginkgo biloba and St. John's worth may intensify the effects of several drugs, appointed by the elderly for the treatment of cardiovascular diseases.
Meanwhile, it is estimated that more than 15 million Americans daily consume certain herbs, believing that thereby strengthening their health.
For example, some religiously believe that St. John's Wort improves sleep and helps fight depression. Others believe that herbs can be trusted to care and serious illnesses such as cancer, and they do not mind the lack of clinical evidence of this.
"Interaction between certain herbs and drugs can lead to life-threatening condition - explains Dr. Arshad Jahangir from the branch of the Mayo Clinic in Arizona. - May be disrupted blood clotting, increases the activity of hepatic enzymes, there may be changes on the ECG.
The study is published in the Journal of the American College of Cardiology "(Journal of the American College of Cardiology).
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