Some runners experience euphoria known as the “runner’s high” which is triggered by high endorphin levels while exercising. But you don’t have to run to get the sensation. “Anything that raises your heart rate, like spinning or swimming, will create the same feeling.” says sports psychologist Misia Jervis. Work out at 70 percent of your heart rate – you should feel slightly breathless and warm, but still be able to carry a conversation.
Full Article: How to Heighten Your Mood During Exercise