As it turns out, triathletes mostly prefer to see videos of six to ten minutes related to technique and training.

FORBES: How to Incubate A Media Business -- Appealing to an Audience

In a 2012 study, students trained in a mindfulness technique had a significant decrease in stress-related cortisol and an increase in signaling connections (called axons) in a part of the brain that controls emotions.

CNN: Your detour to a stress-free life