Where are Americans the most stressed out? KTVU FOX 2 News Published April 12, 2017 2:48 PM PDT Share Copy Link Email Facebook Twitter LinkedIn Reddit Published April 12, 2017 2:48 PM PDT LOS ANGELES - This study is important because stress has many adverse side effects including insomnia, obesity, diabetes, and heart disease. Being aware of stress, and being able to manage it is vital.