FDA Never Promised an Herb Garden--But Sellers and Buyers Eager to See One Grow

Article Abstract:

Researchers debated the merits of herbal medicine at an international workshop in September, 1998. One focus of concern is an FDA proposal prohibiting companies from claiming their product can treat a disease unless the product is tested like all drugs must be tested. Critics say the FDA is altering the definition of disease to eliminate many medicinal herbs, nutraceuticals, botanicals, and dietary supplements. Proponents believe most herbal supplements have no beneficial effect. Some companies that make herbal supplements are willing to work with government regulators, physicians, and researchers to prove or disprove the safety and effectiveness of medicinal herbs and to improve manufacturing practices.

Laws, regulations and rules, Dietary supplements, Medicine, Herbal, Herbal medicine

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Standards set for CT calcium screening but its clinical value remains unclear

Article Abstract:

Researchers discussed standards for CT imaging of coronary artery calcium deposits at a 2003 meeting of the Radiological Society of North America meeting. Four different manufacturers make multidetector-row CT scanners, so the need for standards was clear. This technique is used to identify the early signs of coronary artery disease, but it may be difficult to convince people to change a lifestyle that increases their risk of heart disease.

Innovations, Diagnosis, CT imaging, CAT scans, Atherosclerosis, Calcification, Diagnosis, Noninvasive, Noninvasive diagnosis

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Tensions remain over tPA for stroke

Article Abstract:

Many neurologists believe that a clot-busting substance called tPA should be used to treat all people with the symptoms of a stroke. That's because most strokes are caused by a blood clot. However, tPA can also increase the risk of bleeding, which makes emergency room doctors reluctant to use it. Also, it must be given within three hours of the onset of symptoms and many people will not seek help that quickly.

Drug therapy, Stroke (Disease), Stroke, Tissue plasminogen activator

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