Health World K-5 Lessons Skip to Videos All | Bullying & Conflict Resolution | Erin's Law | General Health | Nutrition | Social & Emotional Health | Substance Abuse | Substance Abuse, Choices & Consequences - 4th-5th In this course, students will be provided with the facts about four gateway drugs: tobacco, alcohol, marijuana, and inhalants.Click here to download the While You Watch Worksheet.