Curiosidades sobre o Álcool
Autor: Dr. Aramis Pedro Teixeira | Publicado: 2012-10-26T16:22:00-02:00

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O álcool não
aquece – o álcool faz com que o sangue
se desloque do interior do organismo para a superfície da pele, provocando
sensação de calor. Mas este movimento do sangue provoca uma perda de calor
interno, já que o sangue se encontra a uma temperatura que ronda os 37º e que é
quase sempre superior à temperatura ambiente. Quando o sangue regressa ao
coração há necessidade de o organismo despender energia no restabelecimento da
sua temperatura.





O álcool não
mata a sede – a sensação de sede significa
necessidade de água no organismo. As bebidas alcoólicas não satisfazem esta
falta, provocando, ainda, a perda através da urina, da água que existe no
organismo, o que vai aumentar a carência de água, e, portanto a sede.



O álcool não
dá força – o álcool tem um efeito
estimulante e anestesiante, que disfarça o cansaço provocado pelo trabalho
físico ou intelectual intenso, dando a ilusão de voltarem as forças. Mas depois
o cansaço é a dobrar, porque o organismo vai gastar ainda mais energias para
"queimar" o álcool no fígado.





O álcool não
ajuda a digestão e não abre o apetite – o álcool faz com que os movimentos do estômago sejam muito mais
rápidos e os alimentos passem precocemente para o intestino sem estarem
devidamente digeridos, dando a sensação de estômago vazio. O resultado é a
falta de apetite e o aparecimento de gastrites e de úlceras.


O álcool não
é um alimento – o álcool não tem valor
nutritivo porque produz calorias inúteis para os músculos e não serve para o
funcionamento das células. Contrariamente aos verdadeiros alimentos, ele não
ajuda na edificação, construção e reconstrução do organismo.




O álcool não
é um medicamento – é
exactamente o contrário porque provoca apenas&nbsp;excitação e anestesia
passageiras que podem esconder, durante algum tempo, dores ou sensação de
mal-estar, acabando por ter consequências ainda mais graves.







O álcool não facilita as relações
sociais – o álcool em quantidades
moderadas tem um efeito desinibidor que parece facilitar a convivência. Mas
trata-se de uma ilusão, porque nem sempre é possível controlar os consumos nesse
ponto e porque a relação com os outros se torna pouco profunda e artificial.





Referência:

www.min-saude.pt/portal/conteudos/enciclopedia+da+saude/estilos+de+vida/alcoolismo
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