Also known as Brigham Young weed, this herb is used as a diuretic and tonic. Find a description, a dosage guide, and warnings.

Overview on the herb gives details of its active compounds, historical use, the ailments it treats, and a dosage and safety guide.

Herb overview provides a description, the chemical compounds, and the medicinal value of the Asian herb used as a nerve stimulant.

Read three case reports of patients who either died or experienced seizures after taking a dietary supplement containing ephedrine.

US Food and Drug Administration features a report about adverse events associated with the use of ephedra and other dietary supplements.

Food and Drug Administration lists the possible adverse effects of ephedrine and warns consumers against purchasing or consuming the supplement.

Features a statement from the retailer of supplements and herbal products in response to the Food and Drug Administration's ephedra meeting.

Fact sheet discusses the warnings by the Food and Drug Administration against ephedrine, a substance banned by the Intl. Olympic Committee.

Fact sheet provides the historical use, chemical elements, and medicinal actions of the herb used for respiratory ailments and weight loss.

Explains the chemical composition and the effects of ephedra, which promotes circulation and stimulates the nervous system.

Herb index features an overview of ma huang and provides the methods for pharmaceutical preparations, its uses, indications, and a warning.

Press release of the Food and Drug Administration warns against Nature's Nutrition Formula One product containing ephedra or ma huang.

Discusses the history of this herb - long used in Chinese medicine - its effects on the body, and some of the controversy it has provoked.

Provides an FDA assessment of this herbal supplement, along with details on its effects on the nervous and cardiovascular systems.