The habit of thinking negatively was formed during evolution, because only a person who constantly feared something could survive in the wild. However, we can form new neural pathways and train ourselves to think positively. Loretta Graziano Breuning is the founder of the Inner Mammal Institute, a distinguished professor at the University of California, author of several books and the blog “Your Neurochemical Self” on PsychologyToday.com. Her work has been covered in Psychologies and Real Simple magazines.