$ETST Earth Science Pharmaceutical, Inc. is a wholly owned subsidiary of Earth Science Tech, Inc (ETST). Earth Science Pharmaceutical is focused on becoming a world leader in the development of low cost, non-invasive diagnostic tools, medical devices, testing processes and vaccines for STIs (Sexually Transmitted Infections and/or Diseases), as well developing new advanced formulated cannabis CBD nutraceuticals and 2 Cannabis CBD-based pharmaceutical drugs under its cannabis CBD patent, IP and technology.