By Kathryn Doyle (Reuters Health) – People are less likely to resist tasty, unhealthy foods when they’re under stress because the promise of immediate reward trumps longer-term goals to eat well, a Swiss study suggests. Using brain scans, researchers found that circuits in the brain associated with reward are amped up and those linked to self-control are dialed down in participants under stress. The more stressed people felt themselves to be, the stronger the effect. …