Marijuana is also known as ganja, Mary Jane, and weed. It is a Cannabis sativa flowers' greenish-gray mixture. Its constituents contain chemicals that are responsible for changing the consciousness or mood of the person who consumes it. Once you start consuming it, you gradually start becoming an addict. Once addicted, every time you'll feel like consuming it more and more. It's withdrawal symptoms are extremely painful that may include Irritability, Decreased appetite, Trouble sleeping, Cravings, anxiety, and more. The marijuana rehab programs treatment centers are designed to treat such addiction. These centers also treat other simultaneously occurring addictions including cocaine and alcohol.