I can measure my steps, my caloric outtake.

我可以计算出我的步数和热量消耗。

These communities hunted and gathered and there were no large caloric surpluses.

这群人类狩猎、聚集，他们没有大量的热量补充。

Probably because they thought they were getting a caloric bargain due to mouth feel.

或许他们自认为根据口感判断这硬蛋糕热量也并不是很高。

Bariatric surgery restricts how much food a person can eat, sharply reducing caloric intake.

肥胖外科手术会限制人吃下去的食物的量，从而大大减少卡路里的摄取。

In fact, their study could account for only 15 percent of people's caloric intake.

事实上，他们的研究只占人们热量摄取的15%。

This is one of the major points in the difference between fasting and caloric restriction.

这就是断食和卡路里限制最主要的一个不同点。

In fact, your brain weighs 2% of your body weight but uses 20% of your caloric intake.

事实上，你的大脑只占你体重的2%，却消耗了20%的热量。

And then they're using a shovel and they burn the caloric equivalent of running two marathons every day.

他们用铲子的时候消耗的热量相当于每天跑两次马拉松。

It's not the fat, per se, that is the issue, but rather excessive caloric consumption above our energy needs.

本质上，并不是脂肪本身导致肥胖，超过所需能量的能量吸收才是问题所在。

This is why you'll experience more muscle loss on caloric restriction than if you ate nothing.

这就是为什么限制卡路里摄入会比禁食减少更多能量的原因。