Not exact matches
As long as you're consuming around 80 - 90 % of your total
calories from nutrient -
dense, minimally processed whole foods (the other 10 - 20 % can be allotted to whatever «cheat foods» you'd like — I'll be covering this concept in the next lesson), this is really what
proper nutrition mostly comes down to.
And someone deficient in certain nutrients or who has starved themselves on a low
calorie diet will have a much lower metabolism than someone who eats the
proper amount of nutrient -
dense foods.
They didn't have any knowledge of nutrition, they weren't able to eat nutritious,
calorie dense food whenever they wanted due to the absence of agriculture, and their immune systems were likely weaker than ours (living together in large numbers placed enormous selective pressure on our early agricultural ancestors to develop strong immune systems, keep in mind that early human civilizations did not have indoor plumbing... so they were sometimes exposed to fecal matter both from fellow humans and from livestock and they didn't have the kinds of disinfectants and anti-biotics we have today,) so for them to have serious health complications makes perfect sense, nature can be very harsh and doesn't care how long its been since your last meal or what your
calorie and micro nutrient needs are... a lot of people died at very young ages back then simply because they got sick and didn't have
proper medical treatment or due to malnutrition or starvation.
Nutrient -
dense foods have higher levels of vitamins, minerals and other essential nutrients per
calorie, ensuring that your dog or cat receives the
proper level of essential nutrients during the weight - loss phase.
It's better for the endurance athlete to burn fat because it's a concentrated energy source, and because our foods are very
calorie -
dense / high fat foods, your dog doesn't need to eat as much to ingest the
proper amount of
calories.