 Shaking and delirious, Rina ambles half-dressed beside a dump in Ecuadors port city of Guayaquil.She is under the psychotropic effects of H, a cheap and addictive drug that is ravaging the poorest sectors of Ecuadoran society.The scene was captured on video on New Years Eve and relayed to the municipal health center, which came to her aid.When I consume the drug I hear voices, the 24-year-old, who is using a pseudonym, told AFP.For the second time in less than a year she is following a d... 