If you have been following my new blog, you know that nutrition has a lot to do with keeping your internal balance of bacteria, or your nutritional team - the microbiome. Once the microbiome is stabilized, you can move on to proper nutrition for health, strength gains and longevity. In the western concept of nutrition, the big 3: the fat, protein and carbohydrates have all taken their turn being the bad guys. The truth is you need all three, but the ratios change based on what you are doing with your body and brain.
Obviously if you are very physical in your job 8 hours a day you need a different ratio than someone who is doing accounting for the same hours. One needs to feed the brain more; the other needs to feed the muscles more. The ratio of thinking intensely, like a computer programmer, needs more carbs (glucose or immediate energy) to fuel the brain and trace amounts of fats and protein during the intense thinking process.
The timing of nutrition is also very important. Learning to preload correctly before physical or mental exertion so the body has the right fuels is different than nutrition needed for recuperation. Eat at the right time and the body responds favorably with lean muscle and clear thinking. Eat at the wrong time / wrong ratios and portions, the body stores it as fat and your sluggish.
The guy doing concrete work all day needs to preload protein, carbs and trace fats for sustained physical work and muscle endurance. They also need to replenish them at lunch, but in lighter portions. And then after work, load up on protein for muscle rebuilding.
A runners needs are different then the nutrient timing of a weightlifter. If your weight training follows a day of accounting work, that too is a different ratio and timing.
So you see it’s not just the big 3, but how the body/mind is being used, for how long and building a nutrition program around your lifestyle; rather than following a particular style of eating, (say paleo or vegan), but matched to the needs of your body / brain.
Healing from disease is different than a healthy person trying to recover from workouts. Healing from disease is a special program based on the roots of the disease and ongoing lifestyle rather than anything else. I could write a book about this but I keep learning new things all the time so it would be outdated in a year.