Many scientists have suggested that the clinical effects of homoeopathic medicines are solely due to the placebo effect. As drug actions are conventionally understood in biochemical terms, homoeopathy presents an enormous intellectual challenge, if not a complete impasse. It is well known that many homoeopathic medicines are ultramolecular-that is, they are diluted to such a degree that not even a single molecule of the original solute is likely to be present. There is currently insufficient evidence concerning the relative benefits of the different approaches to treatment. Other practitioners prescribe combinations of medicines (“complex homoeopathy”) or prescribe on the basis of conventional diagnosis alone. Two patients with identical conventional diagnoses may receive very different homoeopathic medicines. In what is often termed “classical” homoeopathy, practitioners attempt to identify the single medicine that corresponds to a patient's general “constitution”-a complex picture incorporating current illness, medical history, personality, and behaviour. Prescribing strategies in homoeopathy vary considerably. The more times this process of dilution and succussion is performed, the greater the “potency” of the remedy. The remedies are prepared by a process of serial dilution and succussion (vigorous shaking). Other common homoeopathic medicines include those made from plants such as belladonna, arnica, and chamomile minerals such as mercury and sulphur animal products such as sepia (squid ink) and lachesis (snake venom) and, more rarely, biochemical substances such as histamine or human growth factor. Allium cepa might be prescribed to patients with hay fever, especially if both nose and eyes are affected. Contact with raw onions typically causes lacrimation, stinging and irritation around the eyes and nose, and clear nasal discharge. For example, the homoeopathic remedy Allium cepa is derived from the common onion. Mystery Science has 265 free open-and-go science lessons covering natural-resource-products-tx, sunlight, light, circle-of-life, storms-tx, chemistry-tx, moon-stars, sunlight-tx, space-patterns-tx, pushes-tx, landforms-tx, pushes, water-cycle-tx, astronomy, rotation-tx, sun-shadows, seasons, animal-needs-tx, plant-needs-tx, animal-environment-tx, plant-superpowers, light-tx, animal-secrets, sounds-tx, plants, fossils, plant-powers-tx, fossils-tx, seasons-tx, forces-tx, energy-tx, rapid-changes-tx, moon-stars-tx, biodiversity-tx, selection, materials-tx, plant-traits-tx, solar-system-tx, weather-animals-tx, body-tx, plants-tx, waves-tx, weather-tx, light-energy-tx, animal-traits-tx, animal-superpowers, storms, sun-shadows-tx, traits-tx, ecosystems-tx, water-soil-tx, natural-resources-tx, earth-materials-tx, water, plant-secrets, biodiversity, materials, forces, weather, rocks, body, chemistry, waves, energy, earth, and ecosystems.Homoeopaths treat disease using very low dose preparations administered according to the principle that “like should be cured with like.” Practitioners select a drug that would, if given to a healthy volunteer, cause the presenting symptoms of the patient. To I just taught a powers lesson on Parent & Offspring Traits using Mystery Science.
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