Nordic walking definitely counts as structured exercise and brings along the heart healthy benefits of activity. Remember ...

Nausea and upset stomach are also symptoms of too much caffeine, according to the U.S. Food and Drug Administration (FDA).

"In theory, doing weights first would put your body into aerobic mode [so] by the time you to get to running, you will already be in aerobic/fat burning state. So you may maintain [that aerobic state] ...