Or the thyroid was somehow "revved" with the fat increase. OR the nervous system was stimulated causing the heat and "speed". My resting heart rate has been higher and of course I've sped through the day like the roadrunner..... It's been great! Oliva(who takes no meds of any kind) ----- Original Message ----- > Paleogal wrote: >Okay, now can you explain the "revved" feeling from the low protein/high >fat, the increase in body temp and weight loss with MORE caloric intake? Todd Moody wrote: Maybe we're talking about individual variation here. You may have some BAT but I don't. This would explain why you are losing weight but I'm not.