1 In the interests of safety and hygiene please ensure that your Thermos flask is cleaned with warm water and washing-up liquid prior to initial use.  For best results from your flask, before use, pre-fill for about 3 minutes, using either hot water for hot drinks or cold water for chilled drinks.
Extrapolating these findings to the general population, the authors estimated that 8 million elderly persons nationwide have insomnia on any given day, more than 1 million new cases of insomnia develop each year, and symptoms resolve in nearly 1.3 million elderly persons annually.
Prevalence of overweight and obesity in the Unites States, 1999-2004. JAMA-Journal of the American Medical Association, 295 (2006): 1549-1555. In 2003-2004, 17.1% of US children and adolescents were overweight and 32.2% of adults were obese 94,000,000 (2003-2004) Prevalence of overweight and obesity among adults: United States, 1999-2002. National Center for Health and Statistics (2004). From 1976 to 1980, 15 percent of US adults age 20-74 were obese. 34,000,000 (1976-1980) Childhood obesity: Trends and potential causes. Future of Children. 20 May 2006.