Do athletes need to take food supplements to reach the top of their game? Twenty years ago, many scientists claimed that biochemistry and nutrition would boost performance in sport. The promising results of hundreds of studies and an avalanche of new food supplements seemed to prove them right.
The gap between what scientists say and what people believe is especially large when it comes to food. But opinions change as quickly as fashions. Ideas about what is good and what is bad for us are likely to be quite different tomorrow.