Arthur Hirsch wrote: > there does > appear to be an effect, albeit second order, on one's caloric > usage based on the quantity and temperature of one's food and > liquid intake - indeed a larger effect than I had before > imagined. Or is this not true also? Dear Art, The bit of "dietitian humor" referred to an actual diet that is currently making the rounds. It's based on exactly that principle -- ingestion of cold substances will require extra calories to bring the substance to room temperature. One or two of us have our doubts regarding its effectiveness. Best regards, Kathrynne -- Kathrynne Holden, MS, RD Editor-in-Chief, "Spotlight on Food--nutrition news for people 60-plus" http://www.fortnet.org/~fivstar and NUTRITION TOPICS copy-ready handouts http://www.dietetics.com/class/fivstar/ Tel: 970-493-6532 Fax: 970-493-6538