Drug Tolerance

In this part we will try to understand why addicts keep on increasing drug frequency, amount and overdose.
As we discussed previously when drugs/psycho active substances are used the dopamine released by reward center is up to ten times the normal maximum reward limit.

Addiction And Brain

As we discussed previously the psychoactive substances (drugs) causes high level of dopamine in the brain. The chronic presences of the dopamine in the brain lead to structural changes in the reward pathway and other brain areas. The reward pathway is highly connected to the […]


Why certain habits and actions are so addictive that one is compelled to repeat these again and again? This is quiet interesting and scientific question that why do people tend to develop addictive behavior for certain habits or substances. Let’s try to understand this phenomena […]