How garlic can help.... [taken from yahoo health]

Researchers from South Australia’s University of Adelaide have conducted studies, which provide solid proof that the consumption of garlic can indeed help lower elevated blood pressure levels. Garlic supplements in powder form were given and results revealed that it produced a reduction in systolic blood pressure. Garlic has been known all over the world as a very important herb, especially with its heart-protecting capabilities. It helps lower blood cholesterol levels and prevents blood from forming clots (which could lead to heart attack and stroke).
Furthermore, the Proceedings of the National Academy of Sciences journal has published the results of a laboratory test showing how garlic juice can lead to a decrease in blood pressure levels. Eating the equivalent of 2 cloves of garlic each day can significantly contribute to the health of the heart.