The addiction is something which is not forced onto someone; rather it is accepted willingly by the individuals because of its effects on mind and body. The addiction has a very soothing and calming effect on the addict. It makes them forget the worries or tensions for time being and relaxes the mind. The addictive substances are very much powerful and have long lasting effect on the humans. These substances are addictive because of their effect. People do not get that relaxing effect from any other thing. These substances release this effect without much effort from addict’s side.