Key Takeaways Marijuana, known as cannabis, is the most widely used illicit substance, with both recreational and medicinal uses. THC, the active ingredient in marijuana, affects the brain's reward system...


This self-guided assessment is created to help you evaluate the level of your Marijuana use, but this quiz is not intended to replace a proper, clinical diagnosis of Marijuana addiction....



Weed is a popular mind-altering substance that people, especially teens and young adults, use regularly. Unfortunately, smoking weed can be harmful and addictive Marijuana, also known as weed, is a...



The symptoms of marijuana use vary from person to person, but here are some of the most common signs that indicate someone is high on weed, including long-term side effects....


Many people use marijuana to manage various ailments, but regular, long-term marijuana use can result in excessive vomiting associated with cannabinoid hyperemesis syndrome. Cannabinoid Hyperemesis Syndrome (CHS) is characterized by...


Weed is all derived from the plant, Cannabis, but the different species can have very different effects on people. There are several different types of weed, or marijuana. Marijuana refers to the dried...


Learn how marijuana can interact with other drugs like alcohol, prescription drugs, and cocaine.  Marijuana isn’t usually life-threatening on its own. However, when marijuana is combined, laced or mixed with other...


There are many effects of marijuana that can have both short- and long-term implications. Beyond the short-term effects of experiencing a "high," it’s important to consider the long-term consequences of...