I remember going to my first nutrition class at Penn State.
I was eager to jump right in since that was what I was there for, but had to wait until some of those darn pre req classes were out of the way.
I walked in day 1. Liz Evans was our professor. And she certainly didnt look like the people I saw in the pages of the magazines I was getting all my information from up until this point. Hey, you have to start somewhere.
Anyhow, after going over the syllabus, “one of the most important lessons in nutrition in the entire course,” Liz said, “is that all calories are equal. Nutrition, health and weight loss are really simple” she continued “Calories in equal calories out, your weight is stable. Calories out are more than calories in, you lose. If calories in are more than calories out, you gain weight.”
Like all the other students, I was writing as quickly as I could.
And this message continued. Through my masters and into my PhD, where my research focus was on teaching people how to lose weight permanently.
But it was then that I started to question things a bit more.
REALLY? Are all calories the same?
It didnt make sense to me. You see from a law of thermodynamics, it does make sense. If you walk for 1 mile you burn 100 calories. If you eat 100 calories worth of food, youve essentially created a “wash.” Nothing gained. Nothing lost if were solely looking at this with regards to body weight.
But what if you compare extremes?
1 pound of sugar = 1,540 calories
~26 apples = 1,540 calories
Same calories. But do you think the quality of 1 lb of sugar and 26 apples is the same? Of course notaside from the laundry list of nutrition problems eating a days worth of calories from just sugar would cause (nutrient deficiencies, scurvy, tooth decay, etc), how do you think the person eating the 1 pound of sugar would look, feel and perform after she did so? Of course 26 apples isnt the ideal “diet” either, but you get the point.
So as we started to look into this more on our own, with our own clients, and with our own writing & research we changed our tune and go against the grain of mainstream nutrition to instead give this message:
QUALITY of the diet is more important than QUANTITY of the diet.
Of COURSE calories still do matter.
But quality is crucial to permanent success. And it made us even happier when we read a recent study by researchers at Harvard University confirming our point of how the quality of the diet above and beyond just quantity can help with fat loss.
The study certainly wasnt the final word and definitely had limitations it wasnt a “cause and effect” study, but rather a correlation study that asked over 120,000 healthy, well educated men and women about their dietary habits every 2 years for a total of between 12 and 20 years.
They then teased out some of the food items that were associated with weight loss or weight gain among the subjects.
First, as a whole, they found that the average participant gained about 0.5 kg (1.1 lb) per year. Who cares, right? Its JUST 1 lb. The problem year after year after year that 1 lb adds up and people never lose it and long term its more and more dangerous.
The question, then, is what foods did they find contributed to the weight loss vs. those that contributed t
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