Sap by the fact that phloem sap is physiologically extreme in terms of animal digestion, and it is hypothesized that few animals take direct advantage of this because they lack two adaptations that are necessary to enable direct use by animals. These include the existence of a very high ratio of non-essential/essential amino acids in phloem sap for which these adapted Hemiptera insects contain symbiotic microorganisms which can then provide them with essential amino acids; and also insect "tolerance of the very high sugar content and osmotic pressure of phloem sap is promoted by their possession in the gut of sucrase-transglucosidase
Sugary drink tax Michael Bloomberg of orchestrating the controversial bill from overseas. In late October 2013, the Mexican Senate approved a 1 MXN per litre tax (around 0.08 USD) on sodas, along with a 5% tax on junk food. Research has shown that Mexico's sugary drinks tax reduced soft drink consumption. According to a 2016 study published in "BMJ", annual sales of sodas in Mexico declined 6% in 2014 after the introduction of the soda tax. Monthly sales figures for December 2014 were down 12% on the previous two years. Households with the fewest resources had an average reduction in purchases of 9%