What qualifications have you got? http://version22.com/about/ xalatan price walmart  For predators that mistakenly munch on a pufferfish, the TTX located in the fish但ﾂ�ﾂ冱 body prevents the predator但ﾂ�ﾂ冱 nerves from sending signals to one another, leading them to ultimately cease functioning. ﾂ�And for humans, the neurotoxin is just as deadly if consumed, considered to be 100 times more lethal than cyanide. ﾂ�Therefore, finding the right dosage of TTX for patients is crucial, Goldlust said. ﾂ�Just enough can dull or quiet the chemo-induced pain 但ﾂ�ﾂ� but too much could cause the extremities to become numb.