We have known for at least 40 years that our food is not what it used to be. Depleted soil, pesticides and contaminants, not to mention processing that removes nutrients to increase shelf life ...
If you do not have all SIX links in the nutritional chain of life -- and all in balance with each other -- well, that has been linked to chronic degenerative conditions, even the deadliest ones like heart disease (the number 1 killer) and cancer (number 2). The missing links are the beginning in the exciting field of "Immuno-Nutrition."
Lack of nutritional balance is often behind minor annoyances like lack of sleep, aches and pains, fatigue and even "brain fog."