The power of mushrooms as medicine was recognised nearly two thousand years ago. In China's first material medica (Reishi in Japanese, Ling Zhi in Chinese), the ganoderma mushroom was listed first among the very few superior substances that benefit the whole organism and can be taken for long periods without harm. With precious is this mushroom, and associated with long life, it is commonly found in Chinese paintings. Nowadays, the more we learn about the wide range of mushrooms, the more amazing their medical benefits are found to be. Whether eaten or taken as supplements, they have great power to help and heal.