During the last decades there has been a change towards mechanization and homogenization of farming, which uses pesticides, additives, herbicides, synthetic fertilizers and mass-production techniques. All this is clearly affecting mankind's health, and new diseases are spreading rapidly amongst humans and animals
It's well accepted that reduced physical activity and fast food are linked to obesity. But the evidence that these are the main causes of obesity is largely circumstantial. To stimulate debate, experts suggest 10 other possible causes of obesity, outlined in the International Journal of Obesity.
