Everyone has their own relationship with substance use. You might know people who are sober, who don't use at all, or who use a little bit. Others may use a lot, or mix substances. You may be curious and have questions about substances. The fact is - drugs have been used by humans for thousands of years for many different reasons. By exploring this section, you can learn how to manage substance use, how to reduce possible harms and make decisions that are right for you.