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Poisons Part 1 (Teacher: Michael)
Many trees and plants are poisonous, and
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hazard for inquisitive youngsters who are always putting things in their mouths. Naturally-occurring poisons are concentrated in seeds and berries but leaves, flowers, sap and roots can contain
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considerable amount. As
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general rule, unripe fruits are more dangerous than ripe ones.
The first thing
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doctor will need to know is what and how much of
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poisonous plant was eaten, when it was eaten, and what part of
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plant was consumed. They will also need to know how old
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patient is and whether they have already vomited after eating
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plant. If possible, save what remains of
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plant that was eaten and let
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doctor or hospital see it for identification purposes as there are specific antidotes to certain plant poisons. Garden plants that cause problems include laurel leaves and their black-currant-looking berries, both of which contain derivatives of cyanide.
Lily of
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Valley flowers and berries contain
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chemical which affects
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rhythm of
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heart, but fortunately
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poison is poorly absorbed so its effects are rarely seen. Other common culprits include Laburnum, whether in
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form of seeds or bright yellow flowers, which contains
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chemical that poisons in
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same way as nicotine; wisteria pods, which bring on gastroenteritis, and lupin pods, which cause vomiting and convulsions. Aconite (monkshood) is
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most poisonous plant in Europe and it can kill.
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