Garlic: A perennial herb of the lily family cultivated for its pungent, edible bulbs. Garlic has been used with the intention of lowering blood pressure and cholesterol. Preliminary studies suggest that garlic consumption may reduce the risk of developing several types of cancer, especially cancers of the gastrointestinal tract.
Garlic can decrease normal blood clotting in a manner similar to aspirin. Caution should be used if surgery or dental work is planned and in patients taking medications to prevent blood clotting (anticoagulants) such as warfarin /Coumadin.