A report has revealed that many crops have lost as much as 50% of several key nutrients since the 1960s. According to the Hollow Harvest report by Deep Science Ventures (DSV) combined with the rise of GLP-1 weight-loss drugs, continued projected declines could leave around 5 million UK working-age adults short of essential vitamins and minerals. The report argues that decades of breeding and farming for yield have quietly reduced many nutrients in crops. Cereal yields per hectare are up 215% since the 1960s, and undernutrition in the developing world has fallen from 35% to 12%. But more than 2…