Neues vom Nikotin

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Neues vom Nikotin

Nach einem Bericht der Daily Mail haben Forscher ein Molekül im Gehirn entdeckt, das dafür sorgt, dass Raucher von Nikotin abhängig werden - sie nennen es Nikotin-Acetlycholin-Rezeptor (nicotinic acetylcholine receptor - nAChR).

Diese Andockstelle im Hirn ist ein zweischneidiges Schwert - Nikotin stimuliert das Gedächtnis und schützt Hirnzellen, aber diese Stimulation lässt sich den Forschungsergebnissen nach zu urteilen vermutlich nicht von der Nebenwirkung Abhängigkeit trennen. The Daily Mail schreibt:
The discovery is a blow to hopes of using nicotine, or drugs based on it, to treat patients with diseases such as Alzheimer's and Parkinson's.

Ich vermute, wer an Alzheimer oder Parkinson erkrankt, nimmt die "Abhängigkeit" von einem 'süchtig' machenden Medikament gern für eine Heilungschance in Kauf. Allerdings hat die Tatsache, dass Nikotin tatsächlich abhängig macht (der Stimulans-Effekt erklärt eine solche Abhängigkeit doppelt) auch fatale Folgen an anderen Fronten.
But its addictiveness means that 100 million smokers worldwide are expected to die this century.


Posted by Ishtar on Thursday, July 7. 2005 at 08:26 in Aus aller Welt
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