This collection is an amalgamation of scientific studies conducted with the aim of improving and enhancing knowledge through pharmaceuticals and biological and health sciences. In this collection, readers will have access to five studies: - The role of biological sciences teaching in environmental education.- The application of pharmacoeconomics as a tool for pharmaceutical management in hospitals. - Chronopharmacology: the importance of administering drugs at the correct time. - Oncology from the pharmaceutical point of view. - Pain management in oncologic patients: The insertion of pain as a 5th vital sign with focus on quality and safety of patient care.