Is there a science to being happy? Does our brain chemistry, or even our genetics, determine how we feel about our lives? Can we learn to become even happier? While happiness may look different for everyone, and can at times feel impossible to achieve, we know it’s an emotion that can be crucial to both your physical and mental health. So in this season of Chasing Life, Dr. Sanjay Gupta is setting out to better understand happiness and what the science tells us about the best ways to achieve it.