For thousands of years, people have used plants for food, wood, clothes, dyes and medicines.
For example, hundreds of years ago, native American Indians used the bark of the willow tree to relieve pain. Nowadays, a substance is taken from the bark of this tree to make the well-known medicine called aspirin.
There are many other examples of medicinal plants, however, not many of them are used nowadays because most medicines are made artificially in laboratories.
However, you can still find natural medicines in people´s homes. These include teas, eucalyptus, thyme, tilia, rosemary, nettle, chamomile and valerian.
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