If you’ve ever bought marijuana, you know there are Indica, Sativa, and Hybrid strains. But if you are looking for the desired effect, you need to choose a specific strain. As a rule, the marijuana we buy today has gone through the generations of cross-breeding and has rich cannabinoid content that makes each strain unique. Depending on the strain you choose, the reaction and side-effects will differ greatly. Here is your guide on cannabis strains.