SOOTHES STRESS: 5 deep breaths

Blood levels of carbon dioxide (CO2) dip in the early afternoon, disrupting nervous system function and leading to an uptick in stress and anxiety. The simple Rx? Take a deep belly breath and hold it for as long as you comfortably can. Slowly exhale, then repeat four times. A Belgian research team says this trick normalizes CO2 levels within 60 seconds to cut edginess and anxiety by up to 63 percent.