Nowadays diet pills are starting to be quite popular among the public especially in the western countries where a vast majority of the people are afflicted with obesity. Ideally diet pills work by decreasing the appetite of the individual in question. Excess weight loss drugs work by shifting neurotransmitters from one area to another, but do nothing to increase the supply of neurotransmitters in the nervous system or perhaps the brain. These medications trick your mind into a perception that there exist a lot more neurotransmitters than there in reality are.