50% of the calories Americans consume come from nutrient-depleted, ultra-processed foods, including refined flours and industrial seed oils. A recent study indicates that US children and adults have high rates of deficiency of vitamins A, B6, B12, C, D, E, and folate, as well as the mineral iron
South Koreans have grown 3 inches taller than their North Koreans counterparts. They are genetically the same and have been living similar lives till divide in the last century. The nutritional difference of only 50/60 years has caused this difference.
Crickets have twice the amount of protein ounce for ounce than beef, and three times the amount of iron.
Humans can theoretically survive on a diet entirely composed of nothing but potatoes and butter.
The idea that eating carrots helps you see in the dark was a lie invented by the British Airforce in WW2, in order to explain how British air raids were so successful in the dark without tipping the Germans off on the existence of radar.
In 2010 a professor went on a diet consisting mainly of Twinkies to prove weight loss was from calorie deficit, not nutrition.