There are hundreds, if not thousands of diets that come and go. Someone repackages it, gives it a different name and for a while it is all the rage.
If a car is designed to run on a certain fuel, then it needs that particular fuel to run without problems. If you put diesel in a petrol car it is not going to work. Some low grade fuels can run a petrol car but the performance is not there.
Our bodies can function for even long periods of time on the incorrect diet, but there are always consequences and costs involved: disease, loss of energy, infertility, overweight ….
Understanding how what you eat affects your life is crucial for your health, happiness, success and how you feel.