There are three of them. The first is your clothing; it should be made of natural fabrics. The second, and this is the most important, is your home: it can give you health or illness. It also accounts for 50% of your energy intake and if you find a house owned by a couple in their nineties in good health, buy that house as soon as possible because it will heal you. Wood is the best material to build a healthy habitat because it carries vegetal magnetism. (Just as the forest helps the animals that live in it) The magnetism is at eighty percent which is excellent. The third is your environment: the plants and trees in your garden are your best friends because they promote good health.