Watch Serotonin Rising (2009) HD Full Movie Free on solarmovie.do. Watch Serotonin Rising (2009) online free. A revolution of good deeds positively changing the planet. In a groundbreaking experiment, researche...A revolution of good deeds positively changing the planet. In a groundbreaking experiment, researchers at the National Institutes of Health have discovered that humans are hard-wired to be unselfish. During functional MRI brain scans, scientists learned that altruism makes people feel good, lighting up a primitive part of the human brain that usually responds to food,... Read all