Désolé pour ma question, mais, que voulez-vous dire par "blad grinder". Un tel concept existe vraiment, ou est juste de la "lame de broyeur". Je suis pas de langue maternelle anglaise, par la manière. @AnthonyPham Salut. Je ne sais pas ce qui est farfelu. La question est "étiquette universelle pour la durabilité". Je pense que la question elle-même est tiré par les cheveux. Cependant, UTZ, rainforest alliance et de commerce équitable ont tous les problèmes soient visibles. Alors... C', juste par lui-même est véritablement difficile. (C'est pourquoi je préfère ne pas répondre, mais en discuter dans les commentaires, aussi.) @Jefromi Bien, vous avez clairement réglé, je voulais juste être sur le côté sûr ;)

Voici une étude où la cocaïne ont été donnés IV de la nicotine ou de la caféine dans des quantités comparables:

https://www.ncbi.nlm.nih.gov/pubmed/11160635

Fondamentalement, les deux médicaments ont montré à peu près égale de bon/mauvais effets, patient goût, et la stimulation, mais la nicotine a causé la plupart des patients la fréquence cardiaque à augmenter, tandis que la caféine à l'origine de leur diminution. Cet article particulier n'a pas beaucoup d'incidence sur la non-à la cocaïne, mais il est le plus digne de confiance que j'ai pu trouver de comparer directement les deux.

La plupart des scientifiques sont d'accord que 1 à 3 tasses de café par jour n'est pas mauvais pour la plupart des gens, surtout si vous prenez en noir (sans sucre, les succédanés de ces produits, et d'autres mauvaises choses).

http://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/caffeine/art-20045678

D'autre part, la nicotine, alors que peut-être pas terrible en petites quantités sur son propre, a tendance à être emballé avec de graves problèmes de santé (par exemple le tabagisme

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