Does the modern day fruit and vegetable suit our needs? As descendents of animals homo sapiens have evolved over millions of years. We are designed to eat meat and plants. Our genes and digestive systems are designed for a ceratin diet. With plant breeding modern day fruits and vegetables contain higher sweetness factors and less other nutriments. For example apples and lettuce would be higher in fructose levels and less bitter. But 60% of CFS people are intolerant of fructose, so society is setting up for a massive crash> The bitter components are probably anti inflammatory and give our immune system the correct balance. The use of fertiliser and quick growth of plants also amplifies the sweetness. Similarly the live stock is fed sweeter grass, they would be in an inflammatory condition. Then we eat the meat , which presumably passes on unwanted inflammatory cytokines.