Dopamine makes up less than one percent of the brain's neurotransmitters. It's a small portion. Dopamine is released when people are happy, angry, stressed. So it's really hard to call this specific neurotransmitter "the pleasure neurotransmitter." Carl Hart More Quotes by Carl Hart More Quotes From Carl Hart Perhaps, for once, we should try interventions that are informed by science and proven to work. Carl Hart informed try work science When we make decisions based on factors other than the available empirical evidence, we are less than objective, which means we are no longer acting as scientists. Carl Hart than decisions make acting I am committed to the people who are sick and tired of seeing their tax dollars being used to fund unethical people and corporations. Carl Hart i-am tired sick people If we stay focused on data and the real issues, we can tailor our inventions to enhance public health and safety while decreasing the likelihood of racial discrimination. Carl Hart stay-focused discrimination health It is always a good time when I visit the 'Melissa Harris Perry Show' on MSNBC. Carl Hart show good always time I am a drug expert and the father of 3 black males. Carl Hart expert i-am black father All children will do things that you may not want them to. That's part of parenting. Carl Hart will you parenting children As a parent, a scientist, and educator, what I know is that it's always better to provide the education that will help keep my children - all people - safe, even if I don't want them to engage in the behavior. Carl Hart parent education children people It's not a crime to make a mistake; in fact, it's human. I certainly have made mistakes. Carl Hart mistakes human crime mistake You don't have money, you can't do science. But that's part of the price that I pay. Carl Hart price you money science