This is such powerful practice to increase your happiness, be healthier, and have peace of mind. As we move into this time of year, it is one that is enriched by a life lived with a sense of gratitude. It can seem so simple, yet it is very powerful in keeping us healthy and happy. It is only been in this century that scientists have started to delve into what impact being thankful has on us. This practice has been a common sense spiritual teaching over the millenniums. Now it has been taken into social science laboratories, and we can see that it works in wondrous ways. Often we are faced with difficult circumstances in the second half of life, such as caregiving of loved ones and declining health. It is especially important to develop a habit of gratitude to help with the stresses and potential discouragement. There are two psychologists, Dr. Robert A. Emmons of University of California, Davis, and Dr. Michael E McCullough of the University of Miami who have done research on gratitude, which was published in 2003. In their research, they assigned people to three groups. The first wrote about five things they were grateful for that happened during the week. The second group wrote about five things that irritated them during the week. The third group wrote about events that happened during the week, with no instructions to write about any specific type of events. They did this for ten weeks, and then the groups were compared. Those who wrote about the things they were grateful for were more optimistic and felt better about their lives. They even exercised more and had fewer visits to the doctor than the group who wrote about things...