Now the not-so-great news: their bodies were in starvation mode. By week 30, their BMRs had dropped nearly 700 kcal per day, or about 25 percent. The reduction in BMR wasn’t just a function of weighing less; it was far greater than expected from weight loss alone. The change was deeper. Their cells had reduced their metabolic rate, working and burning energy more slowly. And the changes weren’t temporary.
