Dr Laurie is stressed, and it's harming her health. Constant worry and stress is bad for our bodies and our minds, but how can we break the cycle and relax? It turns out scientists have learned a lot from one of America's most stressed-out communities - caregivers.   Hollywood star Steve Guttenberg talks about the toughest chapter of his life - caring for his dying dad - and Dr Elissa Epel explains why some caregivers suffer badly from stress, while others seem to find ways to live with the awful situation they find themselves in daily.   Further reading: Steve Guttenberg - Time to Thank: Caregiving for My Hero. Dr Elissa Epel - The Stress Prescription: Seven Days to More Joy and Ease.  See omnystudio.com/listener for privacy information.