http://www.telegraph.co.uk/science/2016/07/13/eating-cinnamon-could-improve-your-ability-to-learn--study/
Pormenor da canela chinesa conter mais quantidade de um produto tóxico para o fígado:
""Although both types of cinnamon are metabolized into sodium benzoate, we have seen that Ceylon cinnamon is much more pure than Chinese cinnamon, as the latter contains coumarin, a hepatotoxic (liver damaging) molecule," Pahan said."