A group of hormones that are released when we are stressed are called glucocorticoids. These glucocorticoids remain in the blood for a significant time after the stressor is removed. Put a person under chronic stress and they will have constantly high amounts of glucocorticoids in their blood.
The glucocorticoids initiate the release of corticotrophin-releasing factor (CRF) which is a key player in our stress response. They also increase our cravings for sugary foods and they also act directly on increasing abdominal fat storage
Adults need at least 150 minutes of moderate-intensity physical activity and should perform muscle-strengthening exercises on 2 or more days each week.