Dori Zook wrote: >I'm rather cold-blooded; my office feels like a fridge and I wear suit >coats and long sleeves while other staffers are in summer wear. hm hm cold-blood? Sounds like downregulated thyroid. Or women are said to be so: like a frog - always cold feet - always the mouth makes quack quack - always in fear of the stork All women, please forgive my joke. And i hope in english speaking countries it's too the stork who's supposed to bring the babies... ;-) Now serious: Heating is the biggest expense of energy of the body. Having the body heat more instead wearing much would be a great expense of calories (normally 1700 kcal/day, i read). regards Amadeus