Stinging nettles - Urtica urens - are most commonly used in shampoos and hair rinses, but are also added to soups & stews as they are high in vitamins A & C. Medicinally they are used in the treatment of arthritis, eczema & anaemia.
Nettle has been used for many things over the years. I believe that the most well known use is its' alleged pain-killing properties. Nettle's root affects hormones and proteins that carry sex...
Tourmaline is a mineral. It has no known scientific medical uses. There are however people and companies who want to sell you items which include crystals (sometimes tourmaline crystals), claiming...
Ginkgo leaves, fresh or dry, and seeds, separated from the outer layer of the fruit, are used medicinally. Ginkgo has remarkable healing virtues that have been recorded as far back as 2800 B.C. in...
Radioisotopes of various sorts can be made by irradiating samples in a nuclear reactor. These radioisotopes can be used either for diagnosis or for radiotherapy.