Retainers guide and maintain the position and alignment of teeth to create an attractive smile, and today there's quite a range to choose from. Essix retainers, in particular, are clear, slim molds that fit over your teeth. Your orthodontist might recommend an Essix retainer as the final stage in a course of orthodontic treatment, or as a complete alternative to braces. Retainers are fixed or removable and made of wires or plastic.
Kelp is largely used in traditional medicine for various conditions. 1  Kelp is a good source of glutamic acid, an amino acid responsible for its taste. 2  Kelp or kombu contains extremely high levels of iodine. 3  Another health benefit from Kelp is that it is also a source of dietary fiber.
The bark of willow trees contains salicylic acid, the active metabolite of aspirin, and has been used for millennia to relieve pain and reduce fever. Medicinal plants. Medicinal plants, medicinal herbs, or simply herbs have been identified and used from prehistoric times. Plants make many chemical compounds for biological functions, including defence against insects, fungi and herbivorous mammals. Over 12,000 active compounds are known to science.