People are usually not only physically addicted to drugs, but they are often mentally addicted as well. In fact the mental addiction can often be stronger, and more difficult to break, than the physical addiction. Our mind is like a powerful computer, with many different connections being made on all levels of our brain, to the point that we often end up having little control over some of our actions.
It is very easy to under-emphasis the power that the mind has over the body. Most people believe that they are in control of their mind and their body, and that they are likewise in control of their actions. However, when it comes to drug abuse, this is not true. In situations where someone is addicted to drugs, they are often powerless to resist the urges their mind gives them to use drugs.
A simple example is often seen in the children of addicts. Many children whose parents were addicted to either drugs or alcohol oftentimes head down the same path when they are older. Their mind takes over, and they justify themselves in their own mind, thinking that if their parents did it, then it must be fine for them to do the same.
There is also the added complication that drugs themselves directly affect and stimulate the brain, and work oftentimes on a subconscious level. This is particularly true the more often that any substance is abused. Gradually the mind takes over, even subconsciously, and demands that the body takes in the substance, that it must have it in order for the body to function properly. This is often communicated on a subconscious level, so often the person abusing the drugs is not even aware of this exchange.
If you need help to stop drinking alcohol and get off of drugs and to overcome the psychiatric implication of substance abuse, you should talk to a health counselor or professional. If they are not able to help you, they should be able to direct you to someone who can.
There are different programs that you can avail yourself of, that will help aid you in overcoming substance abuse and the psychological aspect of drug addiction, as well as the physical symptoms. A full program should help you first of all through the physical withdrawal symptoms, and then provide further counseling and support until you are completely addiction free and your overall health and fitness will improve with recovery.