This workbook covers the Substance Use, Addictions, and Related Behaviours unit in the Grade 4 Ontario Health Curriculum (2019).In this workbook, students will explore substance use, addictions, and related behaviours, beginning with an understanding of various substances such as tobacco, cigarettes, vaping products, and chewing tobacco. They will learn about the harmful effects of smoking and second-hand smoke, as well as strategies for dealing with peer pressure and saying "no" to substance us