While my opponent may be correct when she says that all people who use marijuana may not go on to use other types of drugs, she is not correct when she claims that marijuana is not a gateway drug and that it is harmless. It is scientifically proven that continued use of marijuana leads to a reliance and increased tolerance of the drug, and if a person is looking to obtain a high, they will need to use more or try another drug. Daniel A. Hussar, PhD explains that, “tolerance is a person’s diminished response to a drug, which occurs when the drug is used repeatedly and the body adapts to the continued presence of the drug.” This shows how just like caffeine and alcohol, people who use marijuana regularly will become reliant on it. My opponent